Joel McCrea as Wyatt Earp

Vera Miles as Laurie McCoy

Lloyd Bridges as Gyp Clements

Wallace Ford as Arthur Whiteside

Edgar Buchanan as Doc Black

Peter Graves as Morgan Earp

Keith Larsen as Bat Masterson

Carl Benton Reid as Mayor Andrew Hope

John Smith as Jim Earp

Walter Coy as Sam McCoy

Robert J. Wilke as Ben Thompson

Jack Elam as Al

Mae Clarke as Mrs. McCoy

Walter Sande as Clint Wallace

Robert Anderson as Bank Robber (uncredited)

Gertrude Astor as Saloon Madam (uncredited)

Rayford Barnes as Hal Clements (uncredited)

John Bose as Townsman (uncredited)

Rudy Bowman as Townsman (uncredited)

Chet Brandenburg as Townsman (uncredited)

Joe Brooks as Townsman (uncredited)

Bill Clark as Cowpuncher (uncredited)

Bill Coontz as Cowpuncher (uncredited)

Ben Corbett as Barfly (uncredited)

Jean Dean as Townswoman (uncredited)

George DeNormand as Proprietor (uncredited)

Tex Driscoll as Townsman (uncredited)

Franklyn Farnum as Townsman (uncredited)

Leonard P. Geer as Cowpuncher (uncredited)

Signe Hack as Townswoman (uncredited)

Frank Hagney as Barfly / Lookout (uncredited)

Mary Alan Hokanson as Mrs. Jackson (Michael's Mother) (uncredited)

George Huggins as Townsman (uncredited)

Dick Johnstone as Barfly (uncredited)

I. Stanford Jolley as John Stanton (uncredited)

Chester Jones as William (uncredited)

Ray Jones as Townsman (uncredited)

Jack Kenny as Townsman (uncredited)

Rory Mallinson as Robber #3 (uncredited)

Kathy Marlowe as Saloon Girl (uncredited)

Kermit Maynard as Townsman (uncredited)

Jody McCrea as Gunman (uncredited)

Russell Meeker as Townsman (uncredited)

Charles Morton as Bartender (uncredited)

Anna Navarro as Girl (uncredited)

William Newell as Bartender (uncredited)

Jimmy Noel as Barfly (uncredited)

Sam Peckinpah as Bank Teller (uncredited)

Ford Raymond as Townsman (uncredited)

Bob Reeves as Townsman (uncredited)

Alex Sharp as Cowpuncher (uncredited)

George Sherwood as Marshal Billy Smith (uncredited)

Robert Swan as Robber #2 (uncredited)

Adele Taylor as Saloon Girl (uncredited)

Dorothy Tennant as Mrs. Stanton (uncredited)

Coleen Vico as Saloon Girl (uncredited)

Gene Wesson as 1st Robber (uncredited)

Chalky Williams as Townsman (uncredited)

Henry Wills as Cowpuncher (uncredited)

Al Wyatt Sr. as Cowpuncher (uncredited)