 | Richard S. Steele | ... | Harold - Mikes Best Friend (76 episodes, 1968-1971) |
 | Ken Berry | ... | Sam Jones (51 episodes, 1968-1971) |
 | George Lindsey | ... | Goober Pyle (51 episodes, 1968-1971) |
 | Jack Dodson | ... | Howard Sprague (45 episodes, 1968-1971) |
 | Paul Hartman | ... | Emmett Clark (42 episodes, 1968-1971) |
 | Arlene Golonka | ... | Millie Swanson (34 episodes, 1968-1971) |
 | Buddy Foster | ... | Mike Jones (29 episodes, 1968-1971) |
 | Frances Bavier | ... | Aunt Bee Taylor (24 episodes, 1968-1970) |
 | Richard Steele | ... | Harold / ... (9 episodes, 1968-1971) |
 | Mary Lansing | ... | Martha Clark (9 episodes, 1968-1971) |
 | Charles Lampkin | ... | Ralph Barton (7 episodes, 1968-1970) |
 | Vince Barnett | ... | Elmo (7 episodes, 1968-1970) |
 | William Keene | ... | Reverend (6 episodes, 1968-1969) |

| Norman Leavitt | ... | Felton / ... (6 episodes, 1968-1971) |
 | Hope Summers | ... | Clara Edwards (5 episodes, 1968-1970) |
 | Maudie Prickett | ... | Myrtle / ... (5 episodes, 1969-1971) |

| Andy Griffith | ... | Andy Taylor (5 episodes, 1968-1969) |
 | George Cisar | ... | Cyrus Tankersley (4 episodes, 1968-1969) |
 | Linda Meiklejohn | ... | Hilda / ... (4 episodes, 1969-1970) |
 | Renie Riano | ... | Ella / ... (3 episodes, 1969) |

| Danny Bonaduce | ... | Boy / ... (3 episodes, 1969) |
 | Richard Collier | ... | Harry / ... (3 episodes, 1969-1970) |
 | Bob Kline | ... | Spencer / ... (3 episodes, 1969) |
 | Willis Bouchey | ... | Fremont / ... (3 episodes, 1969-1970) |
 | Helen Page Camp | ... | Card Player / ... (3 episodes, 1969-1970) |
 | Alice Backes | ... | Miss Pringle / ... (3 episodes, 1970-1971) |
 | Ken Sansom | ... | Clarence / ... (3 episodes, 1970-1971) |
 | Luana Anders | ... | Cashier / ... (2 episodes, 1969) |
 | Herb Vigran | ... | First Man / ... (2 episodes, 1969-1970) |
 | Byron Morrow | ... | Bowers / ... (2 episodes, 1968-1970) |
 | Judson Pratt | ... | Brice / ... (2 episodes, 1968-1970) |
 | Jeanne Bates | ... | Jennie Mae / ... (2 episodes, 1969-1970) |
 | Will Geer | ... | Captain Wolford (2 episodes, 1969) |
 | William 'Billy' Benedict | ... | Pet Shop Owner / ... (2 episodes, 1970) |
 | Ceil Cabot | ... | Nurse / ... (2 episodes, 1968-1970) |

| Howard Wendell | ... | Harper / ... (2 episodes, 1969-1970) |
 | Sheldon Collins | ... | Arnold Bailey (2 episodes, 1968) |
 | Herbie Faye | ... | Harry Davis / ... (2 episodes, 1968-1970) |
 | Pat Carpenter | ... | Grace (2 episodes, 1968-1969) |
 | Glen Ash | ... | Harvey Smithers / ... (2 episodes, 1969) |
 | Buddy Lester | ... | Charles Pierce / ... (2 episodes, 1969) |
 | Lavina Dawson | ... | Plain Jane / ... (2 episodes, 1970) |
 | Lewis Charles | ... | Charlie Wilson / ... (2 episodes, 1968-1970) |
 | Woodrow Parfrey | ... | Braden Pyle / ... (2 episodes, 1969-1970) |
 | Bill Quinn | ... | Judge / ... (2 episodes, 1968-1971) |

| Sandra de Bruin | ... | Cheryl / ... (2 episodes, 1969-1971) |
 | Ted Gehring | ... | First Employer / ... (2 episodes, 1970) |
 | Aneta Corsaut | ... | Helen Crump Taylor (2 episodes, 1968-1969) |
 | Patti Cohoon | ... | Cheryl / ... (2 episodes, 1969-1970) |
 | William Henry | ... | Barton / ... (2 episodes, 1969-1970) |

| Jodie Foster | ... | Fairy / ... (2 episodes, 1968-1970) |
 | Charles Bateman | ... | Charlie / ... (2 episodes, 1969-1971) |
 | Peg Shirley | ... | Marilyn / ... (2 episodes, 1969-1970) |
 | Elizabeth Harrower | ... | Mrs. Brandt / ... (2 episodes, 1969) |
 | Dorothy Konrad | ... | Flora (2 episodes, 1969) |
 | Leonid Kinskey | ... | Professor Radetsky (2 episodes, 1970-1971) |
 | Judith McConnell | ... | Pamela (2 episodes, 1970-1971) |
 | Robert Cornthwaite | ... | Minister / ... (2 episodes, 1971) |
 | Brian Morrison | ... | Richard (2 episodes, 1971) |
|
 | Alice Ghostley | ... | Alice (unknown episodes, 1970-1971) |