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"Diff'rent Strokes" (1978) More at IMDbPro »
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Year:
1978
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1986
Season 1
Season 1, Episode 1: Movin' In
3 November 1978Philip Drummond is a wealthy Manhattan industrialist who takes in Arnold and Willis Jackson, the two sons of his late housekeeper; Drummond is white and the boys are black. Arnold, age 8, is excited about the opportunity of a privileged life, but Willis, age 13, feels that Mr. Drummond is trying to buy their love with expensive gifts.
 | Conrad Bain | ... | Philip Drummond |
 | Gary Coleman | ... | Arnold Jackson |
 | Todd Bridges | ... | Willis Jackson |
 | Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 2: The Social Worker
10 November 1978A social worker investigates the boys' home life and tells Mr. Drummond that she believes black children belong in black households. When Drummond tells this to Mrs. Garrett while she is vacuuming the living room, Arnold overhears this and comes to the conclusion that he doesn't want them around anymore.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Charlotte Rae | ... | Edna Garrett |
| Ellen Travolta | ... | Ms. Aimsley |
| J.A. Preston | ... | Mr. Thompson |
| Fran Bennett | ... | Mrs. Thompson |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 3: Mother's Last Visit
17 November 1978Mr. Drummond's mother arrives for an unscheduled visit and has an adverse reaction to her son's new family situation.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Irene Tedrow | ... | Mrs. Drummond |
| Richard Fults | ... | Doorman |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 4: Prep School
24 November 1978Mr. Drummond is excited about the possibility of the boys enrolling at his old prep school.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Charlotte Rae | ... | Edna Garrett |
| Howard Morton | ... | Miles Bordinay |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 5: The Spanking
1 December 1978Arnold is caught throwing water bombs off the balcony and Mr. Drummond feels that a fitting punishment is a spanking.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
 | Frank Farmer | ... | Policeman |
| Jerry Marshak | ... | Little Boy |
| Weldon Bleiler | ... | Maintenance Man |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 6: Goodbye Dolly
8 December 1978After Kimberly donates Arnold's ratty old doll named Homer to charity and it is sold, he can't sleep. Mr. Drummond quickly tires of this, so he hires a detective to try and find the doll.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Jack Riley | ... | Miles Monroe |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 7: The Trial
15 December 1978After reading a book on the American legal system, Willis demands a fair trial for Arnold after he is accused of putting his goldfish in the hot tub.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 8: Retrospective: Part 1
29 December 1978The Drummonds reminisce about the time they have spent together since Arnold and Willis joined the family. Clips from past episodes are featured.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 9: Retrospective: Part 2
29 December 1978The Drummonds reminisce about the time they have spent together since Arnold and Willis joined the family. Clips from past episodes are featured.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 10: The Fight
5 January 1979Over Mr. Drummond's objections, Willis teaches Arnold how to fight a playground bully.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 11: The Club Meeting
12 January 1979Willis misses his friends from Harlem so he has a club meeting at the penthouse.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Billy 'Pop' Atmore | ... | Bubba (as Pop Attmore) |
 | Anthony Thompkins | ... | Vernon (as Anthony Tompkins) |
| Brian Salmon | ... | Charles |
| Tony Williams | ... | William |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 12: The Woman
19 January 1979Mr. Drummond introduces the family to a woman in his life that he plans to propose to.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Elinor Donahue | ... | Diane Sloane |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 13: No Time for Arnold
26 January 1979Arnold feels he's being ignored by the other members of the family, so he pretends to wet the bed in order to get attention and sympathy.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 14: The Relative
2 February 1979A relative of the boys comes to visit from Detroit. She plans to stay only a night, but then fakes an injury and quickly overstays her welcome.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Charlotte Rae | ... | Edna Garrett |
| LaWanda Page | ... | Myrtle Waters (as La Wanda Page) |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 15: The Tutor
9 February 1979Willis is doing poorly in school, so Mr. Drummond hires a tutor. However, he is not pleased by his unconventional methods of teaching.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Barry Diamond | ... | Danny Rose |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 16: The New Landlord
16 February 1979The Drummonds may have to move when the new landlord enforces a rule forbidding children Arnold's age from living there.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Jack Riley | ... | Charles Sutton |
| Erica Yohn | ... | Emily Sutton |
| Deborah Zon | ... | Barbie |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 17: Willis' Privacy
23 February 1979Willis starts to feel that Arnold is a nuisance and wants his own space away from him.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Charlotte Rae | ... | Edna Garrett |
| Anthony Thompkins | ... | Vernon (as Anthony Tompkins) |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 18: Mrs. Garrett's Crisis
2 March 1979Mrs. Garrett feels that her life goals have not been fulfilled and she wants to leave her job.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 19: The Job
16 March 1979Willis gets a job at a gas station, which lasts for only a few hours.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 20: The Trip: Part 1
30 March 1979Mr. Drummond's company has bought out a radio station in Portland, Oregon, where his old army buddy, Larry Alder, hosts a talk show.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| McLean Stevenson | ... | Larry Alder |
 | Kim Richards | ... | Ruthie Alder |
| Donna Wilkes | ... | Diane Alder |
 | Joanna Gleason | ... | Morgan Winslow (credit only) |
| George Memmoli | ... | Carl (credit only) |
| Judith Hurst | ... | (voice) |
 | Edie McClurg | ... | (voice) (credit only) |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 21: The Trip: Part 2
30 March 1979Mr. Drummond may have to fire his old army buddy and switch KLOW to an automated format.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| McLean Stevenson | ... | Larry Alder |
| Kim Richards | ... | Ruthie Alder |
| Donna Wilkes | ... | Diane Alder |
| Joanna Gleason | ... | Morgan Winslow |
| George Memmoli | ... | Carl |
| Judith Hurst | ... | (voice) |
| Edie McClurg | ... | (voice) |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 22: Getting Involved
6 April 1979Arnold witnesses a mugging with his telescope.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Ron Feinberg | ... | Detective Morison |
| Carl Byrd | ... | Mr. Adams |
| Lawrie Osag | ... | Mr. Kwambe |
 | John H. Mayer | ... | The Photographer (as John Mayer) |
| Michael Lamont | ... | The Officer |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 23: Willis' Birthday
13 April 1979Willis wants to have his birthday party at a friend's house in Harlem, but Mr. Drummond is concerned about going there on a Saturday night.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Anthony Thompkins | ... | Vernon |
| Brian Salmon | ... | Tiny |
| Tony Williams | ... | Charles |
| LaShana Dendy | ... | Francine (as LaShonna Dendy) |
| Betty A. Bridges | ... | Mrs. Brooks (as Betty Bridges) |
| Carl M. Craig | ... | The Policeman (as Carl Mathis Craig) |
| Scorpio | ... | Luther |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 1, Episode 24: The Girls School
4 May 1979Mrs. Garrett bonds with the girls at Eastlake Academy, the school Kimberly attends.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Felice Schachter | ... | Nancy |
| Kim Fields | ... | Dorothy 'Tootie' Ramsey |
 | Julie Piekarski | ... | Sue Ann |
| Lisa Whelchel | ... | Blair |
| Jennifer Rooney | ... | Jennifer |
| Peter Hobbs | ... | Mr. Robinson |
| Laura Shuman | ... | Laura |
| Jack Riley | ... | Mr. Crocker |
 | Molly Ringwald | ... | Molly |
| Joan Douglas | ... | School Girl (uncredited) |
| Linda Harmon | ... | Singer Main Title (uncredited) |
Season 2
Season 2, Episode 1: Arnold's Girlfriend: Part 1
21 September 1979When Arnold goes to the doctor complaining of severe stomach pains, he meets a girl named Alice. Alice's father, Fred Tanner, is a wealthy Omaha cattleman who is interested in one of Mr. Drummond's business ventures. Drummond tears up a $500,000 check from him when he discovers that the man is a bigot.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
 | Dabney Coleman | ... | Fred Tanner |
 | Rachel Jacobs | ... | Alice Tanner |
| Kip King | ... | Dr. Padnick |
| Bill Henderson | ... | The Attendant |
| Rana Ford | ... | Nurse Benson |
| Elaine Appleton | ... | The Nurse |
Season 2, Episode 2: Arnold's Girlfriend: Part 2
21 September 1979Arnold must have an appendectomy. Fred Tanner wants his daughter Alice put in a bedroom away from Arnold. When the two learn of this, they run away.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Dabney Coleman | ... | Fred Tanner |
| Rachel Jacobs | ... | Alice Tanner |
| Kip King | ... | Dr. Padnick |
| Bill Henderson | ... | The Attendant |
| Rana Ford | ... | Nurse Benson |
| Elaine Appleton | ... | The Nurse |
Season 2, Episode 3: Feudin' and Fussin': Part 1
28 September 1979At Arnold's suggestion, a TV producer gives Larry Alder an audition for a TV hosting job.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett (credit only) |
| McLean Stevenson | ... | Larry Alder |
| Joanna Gleason | ... | Morgan Winslow |
| Kim Richards | ... | Ruthie Alder |
| Krista Errickson | ... | Diane Alder |
| Meadowlark Lemon | ... | Himself |
| Bobby Ramsen | ... | Ted Green |
| Bobby Herbeck | ... | Stage Manager |
Season 2, Episode 4: Feudin' and Fussin': Part 2
28 September 1979Larry's daughter Ruthie is upset about the possibility of having to leave Portland.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett (credit only) |
| McLean Stevenson | ... | Larry Alder |
| Joanna Gleason | ... | Morgan Winslow |
| Kim Richards | ... | Ruthie Alder |
| Krista Errickson | ... | Diane Alder |
| Meadowlark Lemon | ... | Himself |
| Bobby Ramsen | ... | Ted Green |
| Bobby Herbeck | ... | Stage Manager |
Season 2, Episode 5: Mrs. Garrett's Romance
12 October 1979Mrs. Garrett receives a marriage proposal from a younger man with whom she attends night school.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
 | Philip Charles MacKenzie | ... | Leon |
Season 2, Episode 6: Birds and Bees
19 October 1979Arnold wants to know where babies come from, but no one will give him a straight answer until one of the other tenants in the building, a woman whose pregnancy sparked Arnold's curiosity, complains to Mr. Drummond.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Enid Kent | ... | Mrs. Martino |
Season 2, Episode 7: Arnold's Hero
24 October 1979Arnold wants to meet his hero, world champion boxer Muhammad Ali. Willis and Kimberly meet him and say that their little brother is dying and that his last wish is to meet him.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
 | Muhammad Ali | ... | Himself |
 | James Cromwell | ... | Father O'Brien |
| John Starr | ... | The Waiter |
Season 2, Episode 8: The Adoption: Part 1
31 October 1979Mr. Drummond's plans to officially adopt Arnold and Willis are delayed when a man claiming to be the boys' cousin claims he was promised custody in their father's will.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Whitman Mayo | ... | Jethro Simpson |
| Sue Ann Gilfillan | ... | Ms. Harrison |
| Matthew 'Stymie' Beard | ... | The Man (as Stymie Beard) |
| James Reynolds | ... | Mr. Payton |
| Robert Rockwell | ... | Tom Bishop (as Bob Rockwell) |
Season 2, Episode 9: The Adoption: Part 2
7 November 1979While Mr. Drummond's lawyers investigate Jethro Simpson's claim, Arnold and Willis prepare themselves for the possibility that they may have to live with the man.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Whitman Mayo | ... | Jethro Simpson |
| James Reynolds | ... | Mr. Payton |
| Robert Rockwell | ... | Mr. Bishop (as Bob Rockwell) |
| Walter Stocker | ... | The Narrator (voice) |
Season 2, Episode 10: Father and Son Day
14 November 1979Willis wants to beat an obnoxious braggart in an upcoming father and son athletic competition at the YMCA. Believing Mr. Drummond may not be able do it, he asks another man to be his "father".
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett (credit only) |
| Reggie Jackson | ... | Larry |
| Mark Davitt | ... | James Hamilton Sr. |
| Erik Moses | ... | James Hamilton Jr. |
Season 2, Episode 11: Thanksgiving Crossover: Part 1
28 November 1979Mr. Drummond's old friend, Larry Alder, visits New York on a business trip to present a business plan for purchasing a television station.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett (credit only) |
| McLean Stevenson | ... | Larry Alder |
| Joanna Gleason | ... | Morgan Winslow |
| Kim Richards | ... | Ruthie Alder |
| Krista Errickson | ... | Diane Alder |
| William Pierson | ... | The Bartender |
Season 2, Episode 12: Thanksgiving Crossover: Part 2
28 November 1979Mr. Drummond and Mr. Alder try to figure out how to get past their differences to enjoy Thanksgiving dinner.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett (credit only) |
| McLean Stevenson | ... | Larry Alder |
| Joanna Gleason | ... | Morgan Winslow |
| Kim Richards | ... | Ruthie Alder |
| Krista Errickson | ... | Diane Alder |
| William Pierson | ... | The Bartender |
Season 2, Episode 13: The Rivals
5 December 1979A girl at school pretends that she likes Arnold only so that she can get close to Willis.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett |
| Donniece Jackson | ... | Lurlene |
Season 2, Episode 14: Hot Watch
12 December 1979Arnold and Willis find an expensive watch in the hall of their building and then Willis is accused of stealing it from a neighbor's suite.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett (credit only) |
| Gordon Oas-Heim | ... | Mr. Hanlon |
| Elisabeth Talbot-Martin | ... | Mrs. Benson (as Elizabeth Talbot-Martin) |
| Elaine Appleton | ... | Tenant #1 |
| Diane Duncan | ... | Tenant #2 |
Season 2, Episode 15: The Dog Story
19 December 1979Arnold saves a dog from being hit by a car, but when the dog bites him, Mr. Drummond thinks the dog might have rabies.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett (credit only) |
 | James Hong | ... | Mr. Lee |
| Dorothy Meyer | ... | Mrs. Keith |
| Gracia Lee | ... | Woman #1 |
| Olive Dunbar | ... | Woman #2 |
Season 2, Episode 16: The Election
9 January 1980While a new housekeeper, Adelaide Brubaker, takes over from Mrs. Garrett, Mr. Drummond decides to run for city council after a friend's suggestion.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charlotte Rae | ... | Edna Garrett (credit only) |
| Nedra Volz | ... | Adelaide Brubaker |
| David Sheehan | ... | Roger Murdock |
| Charles Thomas Murphy | ... | Jerry Fuller |
 | Jesse D. Goins | ... | The Cameraman (as Jesse Goins) |
Season 2, Episode 17: Friendly Mate
16 January 1980Mr. Drummond is lonely so Arnold and Willis set him up with a date from a computer dating service but do not know that Mr. Drummond's friend set him up with a date as well.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Vonetta McGee | ... | Lucille |
| Bobbie Jordan | ... | Joan (as Bobbi Jordan) |
| Lee Crawford | ... | Robin |
Season 2, Episode 18: Poor Drummond
23 January 1980Arnold and Willis apply for welfare when they think Mr. Drummond's company may be going under.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Robert Rockwell | ... | Tom Bishop |
| George Pentecost | ... | E.G. Stilson |
Season 2, Episode 19: Big Business
30 January 1980Arnold and Willis go into business together selling Adelaide's homemade brownies.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Nedra Volz | ... | Adelaide Brubaker |
Season 2, Episode 20: Return of the Gooch
6 February 1980Arnold is tired of being bullied at school so he takes karate lessons.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Nedra Volz | ... | Adelaide Brubaker |
| Soon-Tek Oh | ... | Mr. Kim (as Soon-Teck Oh) |
| Curtis Wong | ... | Karate Assistant |
Season 2, Episode 21: Valentine's Day Retrospective
13 February 1980Arnold and Willis get trapped in the building's storage room and reminisce about time with the Drummonds.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| David Bond | ... | The Janitor |
| Muhammad Ali | ... | Himself (archive footage) |
| Mark Davitt | ... | James Hamilton Sr. (archive footage) |
| Donniece Jackson | ... | Lurlene (archive footage) |
| Reggie Jackson | ... | Larry (archive footage) |
| Rachel Jacobs | ... | Alice Tanner (archive footage) |
| Erik Moses | ... | James Hamilton Jr. (archive footage) |
Season 2, Episode 22: Skin Deep or True Blue
20 February 1980Mr. Drummond scolds Arnold for secretly recording other people's conversations. Arnold disobeys him and records Kimberly's boyfriend Roger making racist comments about Willis to his sister.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Grant Wilson | ... | Roger Morehouse |
 | Melora Hardin | ... | Emily Morehouse |
Season 2, Episode 23: Teacher's Pet
27 February 1980Arnold's classmates accuse him of being a teacher's pet when their teacher, Miss Osbourne, goes out with Mr. Drummond.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
 | Mary Ann Mobley | ... | Nancy Osborne |
| Steven Mond | ... | Robbie Jason |
 | Shavar Ross | ... | Dudley Johnson |
Season 2, Episode 24: The Slumber Party
12 March 1980A huge fight ensues when Kimberly invites her friends from Eastland Academy over at the same time that Willis has his friends over.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Kim Fields | ... | Dorothy 'Tootie' Ramsey |
| Molly Ringwald | ... | Molly |
| Julie Anne Haddock | ... | Cindy |
| Mindy Cohn | ... | Natalie |
 | Carole Ita White | ... | Valerie (as Carol White) |
| Frank De Vol | ... | Sacha |
| Don Draper | ... | The Captain |
| Anthony Thompkins | ... | Vernon |
| Tony Williams | ... | Charles |
| David Coburn | ... | Jimmy |
Season 2, Episode 25: Arnold Faces Fatality
19 March 1980Arnold's beloved goldfish Abraham passes away.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Nedra Volz | ... | Adelaide Brubaker |
| John Starr | ... | The Messenger |
Season 2, Episode 26: The Squealer
26 March 1980Willis joins a gang in spite of Mr. Drummond's warnings.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Ron Feinberg | ... | Detective Morrison |
 | Dan Spector | ... | Lenny |
 | Michael Twaine | ... | Mr. Clark (as Michael Twain) |
| David Coburn | ... | Jimmy |
| Erik Moses | ... | Mike |
Season 3
Season 3, Episode 1: The Bank Job: Part 1
12 November 1980Arnold and Willis become hostages during a bank robbery by two experienced criminals.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Billy Beck | ... | Guard |
 | Delores Cantú | ... | Alicia |
| Michael Cavanaugh | ... | Woody |
| Geoff Edwards | ... | TV Reporter |
| Kim Fields | ... | Dorothy 'Tootie' Ramsey |
| Jesse D. Goins | ... | Thomas (as Jesse Goins) |
 | Dick O'Neill | ... | Captain Burns |
| James Reynolds | ... | Mr. Gibson |
| Kurt Smildsin | ... | Police Officer #1 |
| John Starr | ... | Male Teller |
Season 3, Episode 2: The Bank Job: Part 2
12 November 1980As the hostage crisis continues at the bank, the bank robbers learn that Drummond is a multi-millionaire and decide to use Arnold and Willis as bargaining tools to ensure their demands are met. Drummond decides to assist with a plan to save his adopted sons and have the robbers captured, knowing full well that failure could mean death.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Billy Beck | ... | Guard |
| Delores Cantú | ... | Alicia |
| Michael Cavanaugh | ... | Woody |
| Geoff Edwards | ... | TV Reporter |
| Kim Fields | ... | Dorothy 'Tootie' Ramsey |
| Jesse D. Goins | ... | Thomas (as Jesse Goins) |
| Justin Mastro | ... | Delivery Boy |
| Dick O'Neill | ... | Captain Burns |
| James Reynolds | ... | Mr. Gibson |
| Victor Rivas | ... | SWAT Man |
| Kurt Smildsin | ... | Police Officer #1 |
| John Starr | ... | Male Teller |
Season 3, Episode 3: Small Claims Court
19 November 1980After Arnold buys a toy train that doesn't work, he takes the owner of the store, who refuses to refund his money, to small claims court.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Leonard Bremen | ... | Mr. Newhouse (as Lennie Bremen) |
| Julia Calderón | ... | Mrs. Spangler |
| Paul Kent | ... | Judge Roscoe C. Briggs |
| Milt Kogan | ... | Mr. Haskell |
Season 3, Episode 4: Substitute Mother
26 November 1980When Adelaide goes away, Drummond hires a temporary housekeeper to take her place. With the new housekeeper, Arnold soon realizes that she reminds him a lot of his mom and tries to arrange it so that she and Drummond fall in love.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
 | Denise Nicholas | ... | Sondra Williams |
| Nedra Volz | ... | Adelaide Brubaker |
Season 3, Episode 5: The Accident: Part 1
3 December 1980Everyone is planning a huge surprise party for Drummond on his 50th birthday. But the real surprise is a very tragic one: On his way home, Drummond is critically injured in an accident caused by a drunk driver.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Rana Ford | ... | Nurse #2 |
 | Gina Gallego | ... | Nurse #1 |
 | Robert Ginty | ... | Ron Connolly |
| Tom Rosqui | ... | Dr. Benson |
| Nedra Volz | ... | Adelaide Brubaker |
Season 3, Episode 6: The Accident: Part 2
3 December 1980Drummond eventually awakens - and recovers, at least physically - from life-threatening injuries suffered in a car crash. However, a concussion Drummond suffered in the wreck leaves him with amnesia ... and unless he can regain his memory, the potential loss of both his company and his family.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Cyndi Cardinal | ... | Telegram Girl |
| Rana Ford | ... | Nurse #2 |
| Gina Gallego | ... | Nurse #1 |
| Robert Ginty | ... | Ron Connolly |
| Robert Rockwell | ... | Tom Bishop |
| Tom Rosqui | ... | Dr. Benson |
| Nedra Volz | ... | Adelaide Brubaker |
Season 3, Episode 7: Little Mother
10 December 1980A misunderstanding with a visiting friend leads Drummond, Arnold, and Willis to believe that Kimberly is pregnant.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Claude Earl Jones | ... | Ed Marshall |
| Kari Michaelson | ... | Ellen Marshall |
Season 3, Episode 8: Football Father
17 December 1980When he sees that Arnold is heartbroken after not making his Pee Wee league football team, Drummond secretly meets with the coach and agrees to buy the team new uniforms in exchange for Arnold being given a spot on the team.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Dana Plato | ... | Kimberly Drummond |
 | Greg Mullavey | ... | Coach Slattery |
| Pat Mulligan | ... | Mr. Green |
| Angela Newell | ... | Cynthia Needleman |
| Meeno Peluce | ... | Miller |
| Shavar Ross | ... | Dudley Johnson |
| Le Tari | ... | Ted Ramsey |
| Nedra Volz | ... | Adelaide Brubaker |
Season 3, Episode 9: First Love
31 December 1980With his grades down, Drummond forbids Willis to see his new girlfriend, Charlene. However, a love-struck Willis is determined to see her, even if means doing it behind Drummond's back.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
 | Ford Austin | ... | Johnny Brubaker |
| Arthur Burghardt | ... | Mr. DuPrey |
 | Janet Jackson | ... | Charlene DuPrey |
| Nedra Volz | ... | Adelaide Brubaker |
 | Marc Wasserman | ... | Jeremy Brubaker |
Season 3, Episode 10: Count Your Blessings
7 January 1981When Arnold finds out that he will only grow to be 5 foot tall, he becomes very depressed. To make him feel better, Drummond introduces him to a friend's daughter who is very upbeat despite being confined to a wheelchair.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Rhoda Gemignani | ... | Doctor |
| Melanie Watson | ... | Kathy Gordon |
| Joan Welles | ... | Dorothy Gordon |
Season 3, Episode 11: The Loan
14 January 1981Arnold befriends the doorman who asks him for a $100 loan so he can bet it on a horse race.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Tommy Aguilar | ... | Mannie |
| Dave Johnson | ... | Announcer |
Season 3, Episode 12: Roots
21 January 1981Mr. Drummond worries that Willis's newfound Afrocentric attitudes are dividing the family.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Lee Chamberlin | ... | Dr. Chadway (as Lee Chamberlain) |
| Erik Moses | ... | Oscar |
| Nedra Volz | ... | Adelaide Brubaker |
| Tony Williams | ... | Charles |
Season 3, Episode 13: Junk Food Junkie
28 January 1981Arnold's poor dental checkup has Drummond suspecting that the easy availability of junk food from vending machines at school is to blame. But when Drummond begins a campaign to replace the hot dogs, cookies, potato chips and soft drinks with more healthy foods, Arnold's friends try to convince him to get his father to reconsider.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Dody Goodman | ... | Aunt Sophia Drummond |
| Lillian Lehman | ... | Miss Rawls |
| Steven Mond | ... | Robbie Jason |
| Shavar Ross | ... | Dudley Johnson |
| Nicholas Gilbert | ... | Extra (uncredited) |
Season 3, Episode 14: The Bus
4 February 1981Arnold's joy of being transferred to an all-white school (and riding a bus to get there) is shaken to its very core when a racist busing opponent calls the Drummond household warning the pro-busing family patriarch not to send his black children to the new school, or else.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Hector Elias | ... | Mr. Martinez |
| Cal Gibson | ... | Mr. Davis |
| David Moses | ... | Mr. Robinson |
| David J. Partington | ... | Picketer #2 |
| Russell Shannon | ... | Picketer #1 |
| Saundra Sharp | ... | Mrs. Robinson |
| Perla Walter | ... | Mrs. Martinez |
| Virginia Wing | ... | Mrs. Chung |
Season 3, Episode 15: The Older Man
25 February 1981Tired of looking like a 15 year old, Kimberly turns to Blair for help in looking like an older woman. She meets with immediate success when she accepts a date from a 25-year-old man (who thinks she's at least 20). Arnold and Willis find out about the date and sneak off to the movie theater to try to stop the date before Drummond finds out.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Verda Bridges | ... | Woman #2 |
| Julia Calderón | ... | Woman #1 |
| Mindy Cohn | ... | Natalie Green |
| Bobby Herbeck | ... | Man #2 |
| Mickey Morton | ... | Man #1 |
 | Lou Richards | ... | Mike |
| Lisa Whelchel | ... | Blair Warner |
Season 3, Episode 16: Where There's Hope
4 March 1981Arnold gets annoyed with the new girl next door and makes it known that he does not want her at his 10th birthday party. However, when Drummond finds out from her parents that she has leukemia, he tries to get Arnold to re-invite her without telling him of her illness.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Bradford English | ... | Mr. Moore |
| Pat Finley | ... | Mrs. Moore |
| Monika Furness | ... | Susie Moore |
| Edward Neely | ... | Chubby |
| Shavar Ross | ... | Dudley Johnson |
Season 3, Episode 17: The Magician
11 March 1981With a magazine reporter and Ed "Too Tall" Jones coming over to the house, Arnold decides to show off his talents by putting on a magic show. He plays a silly trick on everyone that leaves him out on the balcony ledge, afraid to move.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Ed 'Too Tall' Jones | ... | Himself |
| Veronica Redd | ... | Ms. Buxton |
Season 3, Episode 18: Drummond's Fair Lady
18 March 1981Drummond creates controversy with his shareholders when he recommends hiring a woman with whom he starts dating to head up a new division in his company. The children, shareholders themselves, are all for it until Kimberly overhears her talking to a mystery man on the phone.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Russell Arms | ... | Howie |
| Wendy Fulton | ... | Rebecca Saunders |
| Edward Penn | ... | Marty |
| Jimmy Weldon | ... | Ben |
Season 3, Episode 19: The Ancestors
25 March 1981Drummond is initially excited to hear that he is the owner of a two million dollar piece of land in Harlem only to later find out that the ancestor whom he inherited it from was a slave trader. He must now decide whether to donate it to be used as a community center or decline it.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Rick Fitts | ... | Jason Collins |
| Dody Goodman | ... | Aunt Sophia Drummond |
| Erik Moses | ... | Oscar |
Season 3, Episode 20: Almost American
1 April 1981After getting a D in history, Arnold is forced to stay home from a hockey game to study. While at home, he and Drummond meet Milos, a Czech immigrant who is going to night school to try and become a US citizen.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
 | Bob Ari | ... | Milos (as Rob Ari) |
| Anna Bjorn | ... | Kristin |
| Rosalind Chao | ... | Ming Li |
 | Ernie Hudson | ... | Kwane |
| Maureen McNamara | ... | Catherine Armstrong |
| Brad Trumbull | ... | Detective Simpson |
 | Richard Yniguez | ... | Rudy |
Season 3, Episode 21: Room for One More
6 May 1981Worried that his foster father's unemployed status will send him to another foster home, Dudley runs away and hides in Arnold's room in hopes that Arnold can convince Drummond to adopt him too.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Shavar Ross | ... | Dudley Johnson |
| Le Tari | ... | Ted Ramsey |
| Nedra Volz | ... | Adelaide Brubaker |
Season 3, Episode 22: The Athlete
13 May 1981Willis, the star pitcher of his junior high team, is recruited by a coach from a high school with a reputation for producing major league talent. When Drummonds learns that attending this school entails lying and grade fixing, he forbids Willis to go.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Jack Knight | ... | Coach Stockwood |
| John Starr | ... | Mailman |
Season 4
Season 4, Episode 1: Growing Up
29 October 1981With the help of Arnold, Willis gets everyone to leave the house so that he and Charlene can make love for the first time. However when the moment occurs, things do not go as smoothly as he expected.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Michael Chain | ... | Man (voice) |
| Janet Jackson | ... | Charlene DuPrey |
| Robin LaValley | ... | Woman (voice) |
Season 4, Episode 2: First Day Blues
5 November 1981Willis, struggling to make friends in his first days of high school, agrees to buy marijuana so that he can go to a party with upperclassmen.
| Conrad Bain | ... | Philip Drummond |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Jimmy Bridges | ... | John Lavelle |
 | Paul Carafotes | ... | Doug |
| Joe De Cenzo | ... | Julio |
| Kim Fields | ... | Dorothy 'Tootie' Ramsey |
| Clarence Gilyard Jr. | ... | Student |
 | Renée Jones | ... | Girl |
| Michael Sharrett | ... | Henry |
| Brian Whitley | ... | Art |
Season 4, Episode 3: The Model
12 November 1981Kimberly lands a modeling job at a department store which leads to her being selected for an upcoming modeling show in Paris. Drummond, initially dead-set against the trip, caves in and decides to take the whole family to Paris.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Tami Arnold | ... | Debbie |
| Laura Kamins | ... | Carol |
| Madlyn Rhue | ... | Tina Claremont |
| Nedra Volz | ... | Adelaide Brubaker |
| Thyais Walsh | ... | Beverly |
| Greer Wylder | ... | Carol |
Season 4, Episode 4: The Team
19 November 1981Willis sues the school basketball team when he loses his position to a white player because of their Affirmative Action policy.
| Conrad Bain | ... | Philip Drummond |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Jimmy Bridges | ... | Joe Patterson (as James Bridges Jr.) |
| Don Dolan | ... | Coach Nichols |
| Kim Fields | ... | Dorothy 'Tootie' Ramsey |
| Clarence Gilyard Jr. | ... | Frank Simpson |
| Todd Lookinland | ... | Eddie Sanders |
| Philip Sterling | ... | Conroy |
Season 4, Episode 5: The Big Heist
26 November 1981For his initiation into a club, Arnold attempts to steal a comic book from a store. When he gets caught, he and Drummond are shocked to learn that the comic is a collector's item worth $400 and he is charged with grand theft.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Nedra Volz | ... | Adelaide Brubaker |
| John Brandon | ... | Police Officer |
| Rhoda Gemignani | ... | Mrs. Craig |
| William Lanteau | ... | Clerk |
| John C. Moskoff | ... | Bailiff (as John Moskoff) |
| Fred Pinkard | ... | Judge Biscaye |
| Robert Rockwell | ... | Tom Bishop |
Season 4, Episode 6: Double Date
3 December 1981Arnold's plans to go out on his first date are in jeopardy when Drummond won't allow him to go out at night without a chaperon.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Dena Crowder | ... | Diane |
| Bobby Herbeck | ... | Waiter |
| Shavar Ross | ... | Dudley Ramsey |
Season 4, Episode 7: The Ski Weekend
10 December 1981Tired of being treated like a child, Kimberly and a friend plan a ski weekend in which they will be staying with guys. She has a lot of explaining to do when Drummond and Willis drop by the lodge to surprise her.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Jon Caliri | ... | Tony |
| Dana Kimmell | ... | Michelle |
 | Mark Neely | ... | Ron |
Season 4, Episode 8: Health Club
17 December 1981Drummond is excited to learn that he will be honored as Athlete of the Year by his health club. Arnold and Willis, however, secretly do not share in his excitement as they are denied access to the health club because they are black and decide not to tell Drummond because they don't want to spoil his big night.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Don Fenwick | ... | Man #3 |
| Jack Knight | ... | Carl |
 | Macon McCalman | ... | George Endiott |
| Robin Torell | ... | Man #1 |
| Nedra Volz | ... | Adelaide Brubaker |
| Dick Winslow | ... | Man #2 |
Season 4, Episode 9: Burial Ground
7 January 1982When it is learned that Drummond's upcoming construction project may be located on top of an ancient Indian burial ground, he faces protest from a Native American who threatens to go on a hunger strike if the land is built on. Arnold and Willis follow suit by going on a hunger strike of their own.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Charles Thomas Murphy | ... | Cliff Hammer |
| Ned Romero | ... | John Longwalker |
| Nedra Volz | ... | Adelaide Brubaker |
Season 4, Episode 10: Hello Daddy
14 January 1982A visit from a Korean woman reveals that Mr. Drummond may have fathered her son during the Korean War.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Dody Goodman | ... | Aunt Sophia Drummond |
 | Nobu McCarthy | ... | Hi-Sook Chun |
| Keone Young | ... | David Chun |
Season 4, Episode 11: Jilted
21 January 1982After Willis and Charlene have a fight, Arnold and Kimberly spot her at the movies with another guy. With Willis upset by this, Arnold comes up with a scheme to get them back together.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Janet Jackson | ... | Charlene DuPrey |
| Dion Williams | ... | Barry |
Season 4, Episode 12: Dreams
28 January 1982After Drummond cancels a family fishing trip to go on a business flight to Canada, Arnold begins to have nightmares which prompts Drummond to contact a therapist.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Lee Chamberlin | ... | Dr. Tucker (as Lee Chamberlain) |
Season 4, Episode 13: Kathy
4 February 1982After being selected to play Abraham Lincoln in his school play, Arnold develops a case of stage fright. His confidence suffers even more after Kathy blows up at him when he tries to convince her to walk with her crutches.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Rosalind Chao | ... | Miss Chung |
| Dody Goodman | ... | Aunt Sophia Drummond |
| Steven Mond | ... | Robbie Jason |
| Nedra Volz | ... | Adelaide Brubaker |
| Melanie Watson | ... | Kathy Gordon |
| Joan Welles | ... | Dorothy Gordon |
Season 4, Episode 14: Fire
11 February 1982When Drummond and his sister Sophia get word that a part of their building is on fire, they try to keep it a secret from the kids in hopes that it will be put out quickly without spreading.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Dody Goodman | ... | Aunt Sophia Drummond |
| Paul Kent | ... | Chief Scott |
| Nedra Volz | ... | Adelaide Brubaker |
Season 4, Episode 15: The Squatter
18 February 1982Drummond's plan to tear down old apartments and replace them with luxury condominiums creates anger among one soon-to-be homeless elderly woman who refuses to leave the Drummond household.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Gary Krakower | ... | Cameraman |
| Robin LaValley | ... | Sound Woman |
| Leonard Lightfoot | ... | Younger Cop |
| John McCook | ... | Tom Wallace |
| Audrey Meadows | ... | Mrs. Martinson |
| Sam Shamshak | ... | Older Cop |
| Nedra Volz | ... | Adelaide Brubaker |
Season 4, Episode 16: The Car
25 February 1982Willis realizes the reason Charlene decided to date another boy is because Willis doesn't have a car and the other boy does. This leads to a decision that has far-reaching consequences for Willis and his relationships with both Charlene, the law and - when he finds out - his very angry father.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Vance Davis | ... | Police Officer |
| Dody Goodman | ... | Aunt Sophia Drummond |
| Janet Jackson | ... | Charlene DuPrey |
Season 4, Episode 17: Crime Story: Part 1
11 March 1982Arnold and Dudley, unsure how to deal with two schoolyard teenage bullies who demand their lunch money, decide to ditch school to avoid them.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
 | Sal Lopez | ... | Roberto |
| Shannon Presby | ... | Eddie |
| Shavar Ross | ... | Dudley Ramsey |
Season 4, Episode 18: Crime Story: Part 2
18 March 1982After the schoolyard bullies put Willis in the hospital, Arnold considers wearing a wire to try and get evidence on them.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Sal Lopez | ... | Roberto |
| Shannon Presby | ... | Eddie |
| Shavar Ross | ... | Dudley Ramsey |
| Le Tari | ... | Ted Ramsey |
| Brad Trumbull | ... | Detective Simpson |
Season 4, Episode 19: B.M.O.C.
25 March 1982While trying to impress an exclusive club, Willis distances himself from the family. When this happens, it breaks Arnold's heart.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Bobby Herbeck | ... | Waiter |
| Tony Lettieri | ... | Charlie |
| Rick Moser | ... | Herman |
| Nedra Volz | ... | Adelaide Brubaker |
| Brian Whitley | ... | Roy |
Season 4, Episode 20: Green Hair
1 April 1982Aunt Sophia pleads with Drummond to get involved with an effort to address pollution, but Drummond stubbornly refuses. Then, Kimberly's hair turns green after washing it with dirty water.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Dody Goodman | ... | Aunt Sophia Drummond |
| Damian London | ... | Dr. Johannson |
 | David Wallace | ... | Jeff |
Season 4, Episode 21: Have I Got a Girl for You
8 April 1982Sophia fixes Drummond up with one of her friends whose simple lifestyle conflicts with Drummond's high class living.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
 | Candice Azzara | ... | Delores (as Candy Azzara) |
| Verda Bridges | ... | Mary |
| Jane Dulo | ... | Lillian |
| Dody Goodman | ... | Aunt Sophia Drummond |
Season 4, Episode 22: Lifesavers
15 April 1982After Willis saves Arnold from a falling piano, he gets annoyed by Arnold's tireless efforts to try and pay him back. So he come up with a plan to make Arnold look like a hero by staging a phony holdup at the garage he works at.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Steven Hirsch | ... | Robber |
| Jack O'Leary | ... | Mr. Kruger |
| Solomon Trager | ... | Mike |
| Nedra Volz | ... | Adelaide Brubaker |
Season 4, Episode 23: Stress? What Stress?
22 April 1982Willis, suffering from stress due to a hectic schedule, makes a false promise to Drummond that he will quit the school election, which stresses Arnold out when he finds out.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| James Crofwell | ... | Delivery Man |
| Nedra Volz | ... | Adelaide Brubaker |
Season 4, Episode 24: The Music Man
6 May 1982Willis forms a band with his friends but faces a tough decision when the band members favor Kimberly over Charlene as the lead singer.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Kerry Ashby | ... | Kerry |
| H.B. Barnum III | ... | H.B. |
| Janet Jackson | ... | Charlene DuPrey |
| Darren Sullivan | ... | Darren |
| Nedra Volz | ... | Adelaide Brubaker |
| Art Wilson | ... | Art |
Season 4, Episode 25: Short But Sweet
13 May 1982Arnold's self-consciousness over his short stature once again rises to the surface when he realizes all of his friends have girlfriends, but not him. Drummond has to convince his son that looks - or in this case, height - aren't everything.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Janet Jackson | ... | Charlene DuPrey |
| Steven Mond | ... | Robbie Jason |
| Christina Murrill | ... | Teresa |
| Shavar Ross | ... | Dudley Ramsey |
| Dain Turner | ... | Billy |
| Nedra Volz | ... | Adelaide Brubaker |
Season 4, Episode 26: On Your Toes
20 May 1982Arnold's sudden interest in ballet is hampered when Willis tells him that dancing will give him a 'sissy' label.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Roger C. Carmel | ... | Dimitri Kuznetsov |
 | Lilyan Chauvin | ... | Zenashkaya Rokova |
| Larry Rosenberg | ... | Dancer |
| Michael Shannon | ... | Dancer |
| Karin Vosberg | ... | Becky |
Season 5
Season 5, Episode 1: Shoot-Out at the O.K. Arcade
2 October 1982In his efforts to help Willis dethrone an arrogant video game champion at the local arcade, Arnold becomes hooked on video games.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Rosalind Chao | ... | Miss Chung |
| Steven Mond | ... | Robbie Jason |
| Shavar Ross | ... | Dudley Ramsey |
Season 5, Episode 2: In the Swim
9 October 1982When Kimberly transfers to public school, she causes Willis embarrassment by insulting the class president and trying out for the boy's swim team. Drummond hires a new housekeeper with an impressive resume.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Keith Fisher | ... | Christopher Miles |
| Janet Jackson | ... | Charlene DuPrey |
| Kimberly Kordes | ... | Jan |
 | Duke Stroud | ... | Coach Barkley |
| Annrae Walterhouse | ... | Muriel |
Season 5, Episode 3: Cyrano De Jackson
16 October 1982Dudley, too shy to talk to Lisa, his love interest, turns to Arnold to help him woo her with poetry. However when the plan backfires, Arnold finds himself unable to get rid of Lisa, who is in love with him, and unable to talk to Dudley who is mad at him for stealing Lisa.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Shavar Ross | ... | Dudley Ramsey |
| Nikki Swasey | ... | Lisa Hayes |
Season 5, Episode 4: Big Brother
23 October 1982Arnold, feeling sorry for a new boy at school who has no friends, asks Willis to serve as a big brother to him. When Willis begins spending all his time with his "new brother", Arnold feels neglected.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Huntz Hall | ... | Happy Wanderer |
 | Joseph Lawrence | ... | Joey (as Joey Lawrence) |
Season 5, Episode 5: The Peacemaker
30 October 1982Willis steps in to mediate a feud between rival gangs, which has been intensifying. When the effort fails, Willis finds out his personal safety is in danger, so he decides to buy a gun, a move that could really exasperate matters.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Jesse Aragon | ... | Heraldo |
 | Andrew Dice Clay | ... | Crazy Larry (as Andrew Clay) |
| Cosie Costa | ... | Julie |
| Charles Holman | ... | Chuck (as Charles Holman Brown) |
| Bruce Kluger | ... | Carl |
| Arlee Reed | ... | Billy |
 | Arye Gross | ... | Marko (uncredited) |
Season 5, Episode 6: Substitute Teacher
6 November 1982Arnold and his classmates gets really upset when a substitute teacher, filling in for Miss Chung, really piles on the homework. When the teacher accidentally strikes Arnold, who is fooling around in class, Arnold and Dudley decide to lie about the incident in hopes of getting him removed.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
 | Kareem Abdul-Jabbar | ... | Mr. Wilkes |
| Rosalind Chao | ... | Miss Chung |
| Steven Mond | ... | Robbie Jason |
| Shavar Ross | ... | Dudley Ramsey |
| J. Jay Saunders | ... | Mr. Langford |
Season 5, Episode 7: The Older Woman
13 November 1982Willis obtains a fake ID and dons a fake mustache to get into a nightclub. While at the club, he gets a date with a much older woman and spots Mr. Drummond on date with a much younger woman.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
 | Shari Belafonte | ... | Monique (as Shari Belafonte-Harper) |
| Bobby Herbeck | ... | Pizza Delivery Man |
| Janet Jackson | ... | Charlene DuPrey |
| Nancy Morgan | ... | Kate |
| Brian Whitley | ... | Art |
Season 5, Episode 8: A Case of Overexposure
20 November 1982Arnold's campaign to be elected class president hits a low point when a picture that Kimberly took of him in the shower showing his bare behind is accidentally published in the newspaper.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Rosalind Chao | ... | Miss Chung |
| Steven Mond | ... | Robbie Jason |
| Shavar Ross | ... | Dudley Ramsey |
| Nikki Swasey | ... | Lisa Hayes |
Season 5, Episode 9: Memories
27 November 1982A cassette tape, containing a recording of Arnold and Willis' deceased mother, is discovered in a trunk that is returned to the boys. When Drummond innocently plays the tape, it triggers Arnold's deep-seated grief about the loss of his mother.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| John C. Becher | ... | Jack Darcy |
| Betty A. Bridges | ... | Mrs. Jackson (voice) |
Season 5, Episode 10: Push Comes to Shove
4 December 1982When Arnold is bullied by a kid in the building, Drummond advises him not to resort to violence. However, when Drummond himself is bullied by the kid's father, who happens to be the building manager, he has trouble following his own advice.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Edward Andrews | ... | Mr. Sloan |
| Brad Kesten | ... | Bobby Garth |
| William G. Schilling | ... | Louis Garth (as William Schilling) |
Season 5, Episode 11: The Executives
11 December 1982When Willis hears from a friend that Drummond's company does not hire blacks, he goes in for an interview using a fake name. When he is turned down for the job, he accuses the interviewer of being prejudice and "fires" him.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Art Kassul | ... | Mr. Duffy |
| Erik Moses | ... | James |
Season 5, Episode 12: Santa's Helper
18 December 1982A man dressed as Santa Claus breaks into the apartment and steals gifts.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Garrett Morris | ... | Santa Claus / Mr. Jones |
Season 5, Episode 13: A Growing Problem
8 January 1983Fed up with living under Drummond's rules, Willis decides to move into an apartment with a friend whose dependence on alcohol is troubling.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Lawrence Monoson | ... | Jerry |
Season 5, Episode 14: Parents Have Rights, Too
15 January 1983Drummond lies to the kids about not being able to go on a family camping trip so he can spend a night of romance with his tax attorney.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
 | Louise Sorel | ... | Robin Saunders |
Season 5, Episode 15: Independent Woman
22 January 1983Kimberly asserts her independence from her father by getting a job at a burger joint.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Catherine Curry | ... | Jane |
| Panchito Gómez | ... | Julio |
| Todd Isaacson | ... | Brian |
Season 5, Episode 16: The Bicycle Man: Part 1
5 February 1983Arnold and Dudley become friends with the owner of a local bicycle shop, unaware that he is a pedophile looking for his next victim.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Gordon Jump | ... | Mr. Horton |
| Shavar Ross | ... | Dudley Ramsey |
Season 5, Episode 17: The Bicycle Man: Part 2
12 February 1983Drummond and Mr. Ramsey learn the truth about Mr. Horton, the seemingly friendly bicycle shop owner with a very sinister side. It soon becomes a race against time to get details out of Arnold after learning that Dudley is about to become Mr. Horton's latest victim.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Gordon Jump | ... | Mr. Horton |
| Shavar Ross | ... | Dudley Ramsey |
| Le Tari | ... | Ted Ramsey |
| Brad Trumbull | ... | Detective Simpson |
Season 5, Episode 18: Family on Ice
19 February 1983 | Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Dorothy Hamill | ... | Herself |
Season 5, Episode 19: Hall Monitor
26 February 1983Arnold, realizing that Kathy is struggling to fit in at public school, encourages her to become hall monitor. He quickly realizes that he has created a monster when she begins to take her job too literally.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Rosalind Chao | ... | Miss Chung |
| Steven Mond | ... | Robbie Jason |
| Shavar Ross | ... | Dudley Ramsey |
| Melanie Watson | ... | Kathy Gordon |
| Joan Welles | ... | Dorothy Gordon |
Season 5, Episode 20: The Cricket
5 March 1983Arnold becomes attached to a cricket that he believes is bringing him luck. Unfortunately, Drummond and Willis do not share the same warm feelings toward the cricket, which keeps them up at night.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Steven Mond | ... | Robbie Jason |
| Shavar Ross | ... | Dudley Ramsey |
| Nikki Swasey | ... | Lisa Hayes |
Season 5, Episode 21: Roommates
12 March 1983With Willis needing a quiet room to study for his SAT tests, Arnold and Drummond agree to become roommates so that Willis can have Drummond's room to himself.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
Season 5, Episode 22: The Reporter
19 March 1983As a reporter for the school newspaper, Arnold learns that drugs are being sold on school grounds. This attracts the concern of First Lady Nancy Reagan, who comes to the school to talk about her anti-drug campaign.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Rosalind Chao | ... | Miss Chung |
 | Nancy Davis | ... | Herself (as Mrs. Nancy Reagan) |
 | David Mendenhall | ... | Sidney |
| Steven Mond | ... | Robbie Jason |
| Shavar Ross | ... | Dudley Ramsey |
| J. Jay Saunders | ... | Mr. Langford |
| Nikki Swasey | ... | Lisa Hayes |
Season 5, Episode 23: Romeo and Juliet
30 April 1983Arnold is excited about auditioning for the role of Romeo in the school play "Romeo & Juliet" until he finds out that his nemesis, Lisa, got the role of Juliet.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Rosalind Chao | ... | Miss Chung |
| Paula Hoffman | ... | Marsha |
| Steven Mond | ... | Robbie Jason |
| Shavar Ross | ... | Dudley Ramsey |
| Nikki Swasey | ... | Lisa Hayes |
| Gary Waynesmith | ... | Mr. Wether |
Season 5, Episode 24: My Fair Larry
7 May 1983Willis asks Kimberly to help a classmate who lacks sensitivity to try and get a girl at school. However, the plan backfires when he falls in love with Kimberly.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Andrew Dice Clay | ... | Crazy Larry (as Andrew Clay) |
 | Jami Gertz | ... | Lindsey |
| Stephanie Williams | ... | Stephanie |
Season 6
Season 6, Episode 1: Mr. T and mr. t
1 October 1983Arnold and his friends meet Mr. T in this tale about Arnold trying to win the heart of a classmate.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Dana Plato | ... | Kimberly Drummond |
| Mary Jo Catlett | ... | Pearl Gallagher |
 | Joel Brooks | ... | Stanley Pearlburg |
| Jere Fields | ... | Wendy |
| Andre Fox | ... | Angela |
| Bobby Herbeck | ... | Assistant Director |
 | Mr. T | ... | Himself |
| Shavar Ross | ... | Dudley Ramsey |
| Jack Verbois | ... | Villain |
Season 6, Episode 2: The Goat
15 October 1983In his first few days at junior high, Arnold has trouble breaking out of Willis's shadow. So he comes up with a plan to kidnap the school mascot and then become a hero by "finding" and returning it.
| Conrad Bain | ... | Philip Drummond |
| Gary Coleman | ... | Arnold Jackson |
| Todd Bridges | ... | Willis Jackson |
| Patrick Brennan | ... | Howie |
| Mary Jo Catlett | ... | Pearl Gallagher |
| Martin Ferrero | ... | Coach |
| Sarina C. Grant | ... | Mrs. Harris (as Sarina Grant) |
| Steven Mond | ... | Robbie Jason |
| Shavar Ross | ... | Dudley Ramsey |