 | Hugh O'Brian | ... | Wyatt Earp (164 episodes, 1955-1961) |
 | Douglas Fowley | ... | Doc Holliday / ... (27 episodes, 1955-1961) |
 | Alan Dinehart III | ... | Bat Masterson (24 episodes, 1955-1959) |
 | Paul Brinegar | ... | Jim 'Dog' Kelly / ... (18 episodes, 1955-1958) |
 | Don Haggerty | ... | Marsh Murdock / ... (15 episodes, 1955-1961) |
 | Sam Flint | ... | Judge Jewett / ... (15 episodes, 1955-1961) |
 | William Tannen | ... | Deputy Hal Norton (14 episodes, 1956-1958) |
 | Rico Alaniz | ... | Esteban / ... (14 episodes, 1955-1960) |
 | Damian O'Flynn | ... | Doc Goodfellow / ... (11 episodes, 1956-1959) |
 | Trevor Bardette | ... | Old Man Clanton (10 episodes, 1958-1961) |
 | Steve Pendleton | ... | Thacker / ... (9 episodes, 1957-1961) |
 | Bill Cassady | ... | Dr. McCarty / ... (9 episodes, 1957-1959) |
 | Ethan Laidlaw | ... | 2nd Man on Trail / ... (8 episodes, 1955-1960) |
 | Charles E. Fredericks | ... | Pete Albright / ... (8 episodes, 1956-1959) |
 | Morgan Woodward | ... | Shotgun Gibbs / ... (7 episodes, 1958-1961) |
 | Rodd Redwing | ... | Atwell / ... (7 episodes, 1955-1958) |
 | Carol Stone | ... | Kate Holliday / ... (7 episodes, 1955-1958) |
 | Bill Coontz | ... | Cowboy / ... (7 episodes, 1955-1961) |
 | Denver Pyle | ... | Ben Thompson / ... (6 episodes, 1955-1960) |
 | William Phipps | ... | Curley Bill Brocius (6 episodes, 1958-1961) |

| I. Stanford Jolley | ... | Brown / ... (6 episodes, 1955-1961) |
 | Holly Bane | ... | J.B. Ayres / ... (6 episodes, 1956-1960) |
 | Henry Rowland | ... | George Morris / ... (6 episodes, 1956-1960) |
 | Ralph Reed | ... | Billy Clanton / ... (6 episodes, 1957-1961) |
 | Hal Baylor | ... | Bill Thompson (5 episodes, 1955-1958) |
 | Kem Dibbs | ... | Mike Teague / ... (5 episodes, 1955-1961) |
 | Carol Thurston | ... | Emma Clanton / ... (5 episodes, 1957-1961) |
 | Lane Bradford | ... | Dave Ritchie / ... (5 episodes, 1955-1960) |
 | Tommy Cook | ... | Will Dade / ... (5 episodes, 1955-1959) |
 | Don C. Harvey | ... | George Beshar / ... (5 episodes, 1955-1960) |
 | Buddy Roosevelt | ... | Cowboy / ... (5 episodes, 1955-1959) |
 | Gregg Palmer | ... | Tom McLowery (5 episodes, 1956-1961) |
 | Tom Monroe | ... | Dade / ... (5 episodes, 1956-1960) |
 | Gregg Barton | ... | Dutch Henry / ... (5 episodes, 1956-1959) |
 | Frank Gerstle | ... | Dick Gird / ... (5 episodes, 1957-1960) |
 | Michael Carr | ... | Young Wolf / ... (5 episodes, 1957-1959) |
 | Walter Maslow | ... | Dick Averill / ... (5 episodes, 1958) |
 | Richard Travis | ... | Ed Miller / ... (4 episodes, 1955) |
 | House Peters Jr. | ... | Dave Bennett (4 episodes, 1955) |
 | Collette Lyons | ... | Kate Holliday / ... (4 episodes, 1955-1958) |
 | Selmer Jackson | ... | Mayor Hoover (4 episodes, 1956-1957) |
 | Keith Richards | ... | Al Warrous / ... (4 episodes, 1955-1959) |
 | Carleton Young | ... | Denver Jones / ... (4 episodes, 1955-1958) |
 | Clancy Cooper | ... | Becker / ... (4 episodes, 1955-1961) |
 | Ray Boyle | ... | Morgan Earp (4 episodes, 1956-1961) |
 | Steve Rowland | ... | Phin Clanton / ... (4 episodes, 1957-1961) |
 | Terry Frost | ... | Coleman / ... (4 episodes, 1956-1961) |
 | Glenn Strange | ... | Asks Hardin to do gun trick / ... (4 episodes, 1955-1960) |
 | Frank J. Scannell | ... | Cookie / ... (4 episodes, 1955-1958) |
 | Michael Emmet | ... | Hennings / ... (4 episodes, 1956-1960) |
 | Mark Dana | ... | Cal McDavid / ... (4 episodes, 1956-1959) |
 | William Henry | ... | Lon Ashby / ... (4 episodes, 1956-1958) |
 | Rex Lease | ... | Brother William / ... (4 episodes, 1957-1958) |
 | Peter Mamakos | ... | Baxter / ... (4 episodes, 1958-1961) |
 | Tyler McVey | ... | Bates / ... (4 episodes, 1958-1960) |
 | Stuart Randall | ... | Rufe Prentice / ... (4 episodes, 1958-1959) |
 | Steve Brodie | ... | Sheriff Johnny Behan (4 episodes, 1959-1961) |
 | George Wallace | ... | Frank McLowery (4 episodes, 1961) |
 | Randy Stuart | ... | Nellie Cashman / ... (3 episodes, 1959-1960) |
 | Bob Steele | ... | Deputy Marshal Sam (3 episodes, 1955) |
 | Myron Healey | ... | Dr. John 'Doc' Holliday (3 episodes, 1958-1959) |
 | Barbara Bestar | ... | Christine Trask / ... (3 episodes, 1955-1961) |
 | Fred Sherman | ... | Callum / ... (3 episodes, 1955-1958) |
 | Ray Kellogg | ... | Deputy / ... (3 episodes, 1955-1960) |
 | Roy Barcroft | ... | Big Tim Callahan / ... (3 episodes, 1955-1958) |
 | Hal Gerard | ... | Eph Morgan / ... (3 episodes, 1955-1957) |
 | Russ Bender | ... | Deacon / ... (3 episodes, 1956-1958) |
 | Donald Murphy | ... | John Ringgold / ... (3 episodes, 1957-1959) |
 | William Mims | ... | Editor Dameron / ... (3 episodes, 1959-1961) |
 | Ed Hinton | ... | Dean / ... (3 episodes, 1955-1958) |
 | Tom London | ... | Jacob / ... (3 episodes, 1957-1959) |
 | James Seay | ... | Judge Spicer / ... (3 episodes, 1957-1961) |
 | Rick Vallin | ... | Mort Newcomb / ... (3 episodes, 1955-1960) |
 | Leonard Penn | ... | Burleigh / ... (3 episodes, 1955-1958) |
 | Bob Reeves | ... | Big T Man / ... (3 episodes, 1955-1956) |
 | Walter Coy | ... | Ben Thompson / ... (3 episodes, 1956-1960) |
 | Alan Wells | ... | George Hoyt / ... (3 episodes, 1956-1960) |
 | Don Diamond | ... | John Shanessy / ... (3 episodes, 1956-1959) |
 | Elizabeth Harrower | ... | Mrs. Hamble / ... (3 episodes, 1956-1959) |
 | Robert Nichols | ... | Professor Jordan / ... (3 episodes, 1956-1959) |
 | Chris Drake | ... | Clint Dunbar / ... (3 episodes, 1956-1958) |
 | Howard Wendell | ... | Henry Dart / ... (3 episodes, 1956-1958) |
 | Margaret Hayes | ... | Dora Hand (3 episodes, 1956) |
 | Francis McDonald | ... | Jake Caster / ... (3 episodes, 1957-1961) |
 | Zon Murray | ... | Alf Walker / ... (3 episodes, 1957-1961) |
 | Tom Palmer | ... | Rep Cantwell / ... (3 episodes, 1957-1960) |
 | William Pullen | ... | Captain Stewart (3 episodes, 1957-1960) |
 | John Pickard | ... | Johnny Ringgold / ... (3 episodes, 1957-1959) |
 | Bob Woodward | ... | Driver / ... (3 episodes, 1957-1959) |
 | Harry Fleer | ... | Gormley / ... (3 episodes, 1957-1958) |
 | Dorothy Green | ... | Amy Blyfied / ... (3 episodes, 1958-1961) |
 | Carolyn Craig | ... | Edna Granger / ... (3 episodes, 1958-1960) |
 | Don Kennedy | ... | Sharkey (3 episodes, 1958-1959) |
 | Gordon Wynn | ... | Col. Warren / ... (3 episodes, 1959-1961) |
 | Francis De Sales | ... | Smith (3 episodes, 1959-1960) |
 | Leonard P. Geer | ... | Cowboy / ... (3 episodes, 1960-1961) |
 | Barney Phillips | ... | Lou Rickabaugh (3 episodes, 1960-1961) |
 | Norman Alden | ... | Johnny Ringo (3 episodes, 1961) |
 | Lash La Rue | ... | Sheriff Johnny Behan (2 episodes, 1959) |

| Robert Bray | ... | Deputy Sam (2 episodes, 1955) |
 | Stacy Harris | ... | Editor John P. Clum / ... (2 episodes, 1959-1961) |
 | Phillip Pine | ... | Dr. Carl McDowell / ... (2 episodes, 1955-1958) |
 | Robert Lowery | ... | Clem Parker / ... (2 episodes, 1955-1957) |
 | Fay Roope | ... | Colonel Josh Clanton / ... (2 episodes, 1955-1958) |
 | Larry J. Blake | ... | Collins / ... (2 episodes, 1956-1958) |
 | Jim Bannon | ... | Lanigan / ... (2 episodes, 1957-1958) |
 | Gloria Talbott | ... | Abbie Crandall / ... (2 episodes, 1955-1961) |
 | Lloyd Corrigan | ... | Ned Buntline (2 episodes, 1955-1960) |
 | Marshall Bradford | ... | Judge Osbourne (2 episodes, 1955-1959) |
 | Steve Darrell | ... | Kirby Ramser / ... (2 episodes, 1955-1959) |
 | Claire Carleton | ... | Laurie Castle / ... (2 episodes, 1955-1958) |
 | Richard Reeves | ... | Bucko / ... (2 episodes, 1959-1961) |
 | Michael Vallon | ... | Hack (2 episodes, 1955-1959) |
 | Emlen Davies | ... | Mrs. Donagher (2 episodes, 1955-1957) |
 | George J. Lewis | ... | Cowhand / ... (2 episodes, 1955-1956) |
 | Joseph Waring | ... | Pete (2 episodes, 1956-1957) |
 | X. Brands | ... | Deputy Ted (2 episodes, 1957-1961) |
 | John Maxwell | ... | Shiloh Smith (2 episodes, 1959-1960) |
 | Arthur Space | ... | Al Beebe (2 episodes, 1955-1959) |
 | Stanley Clements | ... | Dave / ... (2 episodes, 1959-1961) |
 | Robert Bice | ... | 1st Man on Trail / ... (2 episodes, 1955-1961) |
 | Clark Howat | ... | Mayor Jim Hope (2 episodes, 1955-1960) |
 | Rita Lynn | ... | Amy Jones / ... (2 episodes, 1955-1960) |
 | Paul McGuire | ... | Cowhand / ... (2 episodes, 1955-1960) |
 | William Bryant | ... | Ed Watkins (2 episodes, 1955-1958) |
 | Tristram Coffin | ... | Foster (2 episodes, 1955-1957) |
 | Kasey Rogers | ... | Nellie Wright (2 episodes, 1956-1961) |
 | Angela Greene | ... | Alma Ross / ... (2 episodes, 1956-1960) |
 | Walter Reed | ... | Ace Hudson / ... (2 episodes, 1956-1960) |
 | John Close | ... | Denman (2 episodes, 1956-1959) |
 | Pamela Duncan | ... | Janey Logan / ... (2 episodes, 1956-1959) |
 | Nancy Hale | ... | Amy Landreth / ... (2 episodes, 1956-1959) |
 | Howard Negley | ... | Fog MacMurray (2 episodes, 1956-1959) |
 | John Vivyan | ... | Mike de Graff (2 episodes, 1956-1959) |
 | Tom Brown | ... | Burroughs (2 episodes, 1956-1958) |
 | Douglas Evans | ... | Allen Pinkerton / ... (2 episodes, 1956-1958) |
 | Brad Morrow | ... | Link Hanson / ... (2 episodes, 1956-1958) |
 | Bing Russell | ... | Sergeant Turner (2 episodes, 1956-1958) |
 | Harry Harvey | ... | Mr. Bradus / ... (2 episodes, 1956-1957) |
 | Forrest Taylor | ... | Colonel Frentress / ... (2 episodes, 1956-1957) |

| Gary Gray | ... | Billy Clanton / ... (2 episodes, 1957-1960) |
 | Nancy Hadley | ... | Evie Marlowe / ... (2 episodes, 1957-1960) |
 | Mort Mills | ... | Odie Cairns / ... (2 episodes, 1957-1960) |
 | Lane Chandler | ... | Brooks / ... (2 episodes, 1957-1959) |
 | Charles Evans | ... | Jake Antrim / ... (2 episodes, 1957-1959) |
 | Paul Gary | ... | Lacey / ... (2 episodes, 1957-1959) |
 | Bill Baucom | ... | Banker / ... (2 episodes, 1957-1958) |
 | George Baxter | ... | Judge / ... (2 episodes, 1957-1958) |
 | John Cliff | ... | Dick Jackson / ... (2 episodes, 1957-1958) |
 | Richard Devon | ... | Dan Leving / ... (2 episodes, 1957-1958) |
 | Douglas Dick | ... | Billy Hanley / ... (2 episodes, 1957-1958) |
 | Paul Dubov | ... | Matt Dunbar / ... (2 episodes, 1957-1958) |
 | Richard Garland | ... | Chief Joseph / ... (2 episodes, 1957-1958) |
 | Jonathan Hole | ... | Cookie / ... (2 episodes, 1957-1958) |
 | Jean Howell | ... | Alma Drew / ... (2 episodes, 1957-1958) |
 | Mauritz Hugo | ... | Zinner (2 episodes, 1957-1958) |
 | Brad Johnson | ... | Ed Masterson / ... (2 episodes, 1957-1958) |
 | Dennis Moore | ... | Frank Loving / ... (2 episodes, 1957-1958) |
 | Hank Patterson | ... | Dunbar (2 episodes, 1957-1958) |
 | Grant Withers | ... | Gus Andrews / ... (2 episodes, 1957-1958) |
 | Brett King | ... | Conroy / ... (2 episodes, 1958-1961) |
 | Freeman Lusk | ... | Captain / ... (2 episodes, 1958-1961) |
 | Adele Mara | ... | Girl / ... (2 episodes, 1958-1961) |
 | Rachel Ames | ... | Doris Burns / ... (2 episodes, 1958-1960) |
 | Lester Dorr | ... | Clark (2 episodes, 1958-1960) |
 | Paul Fierro | ... | Cortez / ... (2 episodes, 1958-1960) |
 | Ashley Cowan | ... | Bill Hicks (2 episodes, 1958-1959) |
 | Peggy Stewart | ... | Elsa Jordan / ... (2 episodes, 1958-1959) |
 | Frank Wilcox | ... | Bywater / ... (2 episodes, 1958-1959) |
 | Robert Anderson | ... | Drum Denman / ... (2 episodes, 1958) |
 | Rayford Barnes | ... | Ike Clanton (2 episodes, 1959-1961) |
 | Robert Carson | | (2 episodes, 1959-1961) |
 | Gene Roth | ... | J.B. Ayres / ... (2 episodes, 1959-1961) |
 | John Gallaudet | ... | John Thacker / ... (2 episodes, 1959-1960) |
 | Orville Sherman | ... | Cavanaugh (2 episodes, 1959-1960) |
 | Robert Swan | ... | Bartender (2 episodes, 1959-1960) |

| Peter M. Thompson | ... | Johnny Ringo (2 episodes, 1959-1960) |
 | John Baxter | ... | Deputy Walt / ... (2 episodes, 1959) |

| James Coburn | ... | Buckskin Frank Leslie (2 episodes, 1959) |
 | Andy Albin | ... | Limpy Davis / ... (2 episodes, 1960-1961) |
 | George Keymas | ... | Chief Natzhez / ... (2 episodes, 1960-1961) |
 | Britt Lomond | ... | Johnny Ringo (2 episodes, 1960-1961) |
 | Howard Petrie | ... | Governor Gibbs (2 episodes, 1960) |
 | William Vaughn | ... | Slim Bailey (2 episodes, 1960) |
 | Dale Johnson | ... | Court Clerk (2 episodes, 1961) |

| Norman Leavitt | ... | Phillips (2 episodes, 1961) |
 | Troy Melton | ... | Barkeep / ... (2 episodes, 1961) |
 | Charles Watts | ... | Dameron (2 episodes, 1961) |
 | Ralph Sanford | ... | Larsen (1 episode, 1955-1959) |
 | John Milford | ... | Pete Hendell (1 episode, 1959-1961) |
 | John Anderson | ... | Virgil Earp (1 episode, 1961) |
|
 | Ross Elliott | ... | Virgil Earp (unknown episodes, 1959) |