 | Gary Cooper als Marshal Will Kane |
 | Thomas Mitchell als Mayor Jonas Henderson |
 | Lloyd Bridges als Deputy Marshal Harvey Pell |
 | Grace Kelly als Amy Fowler Kane |
 | Katy Jurado als Helen RamÃrez |
 | Otto Kruger als Judge Percy Mettrick |
 | Lon Chaney Jr. als Martin Howe |
 | Harry Morgan als Sam Fuller |
 | Ian MacDonald als Frank Miller |
 | Eve McVeagh als Mildred Fuller |
 | Morgan Farley als Dr. Mahin, minister |
 | Harry Shannon als Cooper |
 | Lee Van Cleef als Jack Colby |
 | Robert J. Wilke als Jim Pierce |
 | Sheb Wooley als Ben Miller |
 | Jack Elam als Charlie - Drunk in Jail (uncredited) |
 | John Doucette als Trumbull (uncredited) |
 | Ted Stanhope als Station Master (uncredited) |
 | Lee Aaker als Boy (uncredited) |
 | Guy Beach als Fred - Coffinmaker (uncredited) |
 | Larry J. Blake als Gillis - Saloon Owner (uncredited) |
| John Breen als Church Member (uncredited) |
 | Tex Driscoll als Church Member (uncredited) |
 | Herschel Graham als Church Member (uncredited) |
 | Paul Kruger als Church Member (uncredited) |
 | William H. O'Brien als Church Member (uncredited) |
| Roy Bucko als Barfly (uncredited) |
| Russell Custer als Barfly (uncredited) |
| Nora Bush als Townswoman (uncredited) |
| Ann Kunde als Townswoman (uncredited) |
 | Ben Corbett als Townsman (uncredited) |
| Rudy Germane als Townsman (uncredited) |
 | Chuck Hayward als Townsman (uncredited) |
| Michael Jeffers als Townsman (uncredited) |
 | Kansas Moehring als Townsman (uncredited) |
 | Jack Montgomery als Townsman (uncredited) |
 | Buddy Roosevelt als Townsman (uncredited) |
| Allen D. Sewall als Townsman (uncredited) |
 | Howland Chamberlain als Hotel Clerk (uncredited) |
 | Virginia Christine als Mrs. Simpson (uncredited) |
 | Cliff Clark als Ed Weaver (uncredited) |
 | Paul Dubov als Scott (uncredited) |
 | Dick Elliott als Kibbee (uncredited) |
 | Virginia Farmer als Mrs. Fletcher (uncredited) |
| Tim Graham als Sawyer (uncredited) |
| Tom Greenway als Ezra (uncredited) |
 | Harry Harvey als Coy (uncredited) |
 | Nolan Leary als Lewis (uncredited) |
 | Tom London als Sam (uncredited) |
| Merrill McCormick als Fletcher (uncredited) |
 | William Newell als Jimmy - Drunk with Eye Patch (uncredited) |
 | James Millican als Deputy Sheriff Herb Baker (uncredited) |
 | William Phillips als Barber (uncredited) |
 | Lucien Prival als Joe - Ramirez Saloon Bartender (uncredited) |
| Ralph Reed als Johnny - Town Boy (uncredited) |
| Charles Soldani als Indian Outside of Saloon (uncredited) |
| Slim Talbot als Barbershop Customer (uncredited) |
| Stanley Kramer | Producer |
| Fred Zinnemann | Director |
| Ben Hayne | Art Direction |
| Carl Foreman | Screenplay |
| Floyd Crosby | Director of Photography |
| George C. Emick | Music Editor |
| Harry Gerstad | Supervising Film Editor |
| Murray Waite | Set Decoration |
| Dimitri Tiomkin | Original Music Composer |
| Rudolph Sternad | Production Design |
| Elmo Williams | Editor |
| Louise Miehle | Hairstylist |
| Robert L. Lippert Jr. | Assistant Editor |
| Willis Cook | Special Effects |
| Emmett Emerson | Assistant Director |
| Slim Talbot | Stunts |
| Percy Ikerd | Unit Manager |
| Regis Parton | Stunts |
| Paul Marquardt | Orchestrator |
| Jack Murton | Casting |
| Clem Beauchamp | Production Supervisor |
| Ann Peck | Costume Design |
| Joe King | Costume Design |
| Gustaf Norin | Makeup Artist |
| Jean L. Speak | Sound Engineer |
| Don Turner | Stunts |
| Vic Jones | Gaffer |
| Morris Rosen | Grip |
| Jack N. Young | Stunts |
| Tex Ritter | Theme Song Performance |
| Chuck Hayward | Stunts |
| John W. Cunningham | Story |
| Carl Foreman | Associate Producer |
| George Glass | Associate Producer |
| Sam Freedle | Script Supervisor |
