| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alfred Newman | Crew | Sound | Music Director |
 Ben Nye | Crew | Costume & Make-Up | Makeup Artist |
 Cyril J. Mockridge | Crew | Sound | Original Music Composer |
 Dorothy Spencer | Crew | Editing | Editor |
Edward B. Powell | Crew | Sound | Orchestrator |
Eugene Grossman | Crew | Sound | Sound |
Fred Sersen | Crew | Visual Effects | Visual Effects |
James Basevi | Crew | Art | Art Direction |
 John Ford | Crew | Directing | Director |
Joseph MacDonald | Crew | Camera | Director of Photography |
 Lloyd Bacon | Crew | Directing | Co-Director |
 Lyle R. Wheeler | Crew | Art | Art Direction |
René Hubert | Crew | Costume & Make-Up | Costume Design |
Roger Heman Sr. | Crew | Sound | Sound |
Sam Hellman | Crew | Writing | Story |
Samuel G. Engel | Crew | Writing | Screenplay, Producer |
Stuart N. Lake | Crew | Writing | Novel |
Thomas Little | Crew | Art | Set Decoration |
 Winston Miller | Crew | Writing | Screenplay |
 Alan Mowbray | Cast | Actor | Granville Thorndyke |
Aleth Hansen | Cast | Guitarist (uncredited) | |
 Arthur Walsh | Cast | Actor | Hotel Clerk (uncredited) |
 C.E. Anderson | Cast | Actor | Townsman (uncredited) |
 Cathy Downs | Cast | Actress | Clementine Carter |
 Charles Stevens | Cast | Actor | Indian Charlie (uncredited) |
 Danny Borzage | Cast | Actor | Accordionist (uncredited) |
 Don Barclay | Cast | Actor | Opera House Owner (uncredited) |
Don Garner | Cast | Actor | James Earp (uncredited) |
 Duke R. Lee | Cast | Actor | Townsman (uncredited) |
 Earle Foxe | Cast | Actor | Gambler (uncredited) |
 Francis Ford | Cast | Actor | Dad - Old Soldier (uncredited) |
Frank Conlan | Cast | Pianist (uncredited) | |
 Frank Ellis | Cast | Actor | Barfly (uncredited) |
 Fred Libby | Cast | Actor | Phin Clanton (uncredited) |
 Grant Withers | Cast | Actor | Ike Clanton |
 Hank Bell | Cast | Actor | Opera House Patron (uncredited) |
 Harry Woods | Cast | Actor | Luke (uncredited) |
 Henry Fonda | Cast | Actor | Wyatt Earp |
 J. Farrell MacDonald | Cast | Actor | Mac the barman |
 Jack Curtis | Cast | Actor | Bartender (uncredited) |
 Jack Kenny | Cast | Actor | Barfly (uncredited) |
 Jack Montgomery | Cast | Faro Dealer (uncredited) | |
 Jack Pennick | Cast | Actor | Stagecoach Driver (uncredited) |
 James Dime | Cast | Actor | Vaquero (uncredited) |
 Jane Darwell | Cast | Actress | Kate Nelson |
 John Ireland | Cast | Actor | Billy Clanton |
 Kermit Maynard | Cast | Actor | Barfly (uncredited) |
 Linda Darnell | Cast | Actress | Chihuahua |
 Louis Mercier | Cast | Actor | François - the Chef (uncredited) |
 Mae Marsh | Cast | Actress | Simpson's Sister (uncredited) |
 Mickey Simpson | Cast | Actor | Sam Clanton (uncredited) |
 Robert Adler | Cast | Actor | Stagecoach Driver (uncredited) |
 Roy Roberts | Cast | Actor | Mayor |
 Russell Simpson | Cast | Actor | John Simpson |
 Ruth Clifford | Cast | Actress | Opera House Patron (uncredited) |
 Tex Cooper | Cast | Actor | Townsman (uncredited) |
 Tex Driscoll | Cast | Actor | Townsman (uncredited) |
 Tim Holt | Cast | Actor | Virgil Earp |
 Victor Mature | Cast | Actor | Dr. John 'Doc' Holliday |
 Walter Brennan | Cast | Actor | Old Man Clanton |
 Ward Bond | Cast | Actor | Morgan Earp |
 William B. Davidson | Cast | Actor | Saloon Owner (uncredited) |
Ben Hall | Cast | Actor | Barber (uncredited) |
Margarita Martín | Cast | Actress | Woman (uncredited) |
| Person | Type | Job | Role(s) |
