 | Charlton Heston als Ramon Miguel Vargas |
 | Janet Leigh als Susan 'Susie' Vargas |
 | Orson Welles als Police Captain Hank Quinlan |
 | Joseph Calleia als Police Sergeant Pete Menzies |
 | Akim Tamiroff als 'Uncle' Joe Grandi |
 | Joanna Moore als Marcia Linnekar |
 | Ray Collins als District Attorney Adair |
 | Dennis Weaver als Mirador Motel Night Manager |
 | Valentin de Vargas als Pancho |
 | Mort Mills als Al Schwartz - District Attorney's Assistant |
 | Victor Millan als Manelo Sanchez |
 | Lalo Rios als Risto - Grandi's Nephew |
 | Michael Sargent als Pretty Boy |
 | Phil Harvey als Blaine |
 | Joi Lansing als Zita |
 | Harry Shannon als Chief Gould |
 | Marlene Dietrich als Tana |
 | Joseph Cotten als Coroner (uncredited) |
 | Zsa Zsa Gabor als Strip-Club Owner |
| Joe Basulto als Young Delinquent (uncredited) |
| Yolanda Bojorquez als Bobbie (uncredited) |
| Domenick Delgarde als Lackey (uncredited) |
| Jennie Dias als Jackie (uncredited) |
 | John Dierkes als Policeman (uncredited) |
| Eleanor Dorado als Lia (uncredited) |
 | Eva Gabor als Stripper Sitting at Bar (uncredited) |
| Jeffrey Green als Rudy Linnekar (uncredited) |
 | Billy House als Construction Site Foreman (uncredited) |
 | Mercedes McCambridge als Gang Leader (uncredited) |
| Arlene McQuade als Ginnie (uncredited) |
| Ken Miller als Gang Member (uncredited) |
 | Ralph Moratz als Man in Uniform Running Down Street (uncredited) |
| Ramón Rodríguez als Gang Member (uncredited) |
 | Gus Schilling als Eddie Farnham (uncredited) |
 | William Tannen als Marcia Linnekar's Attorney (uncredited) |
| Wayne Taylor als Gang Member (uncredited) |
| Rusty Wescoatt als Detective Casey (uncredited) |
 | Dan White als Customs Officer (uncredited) |
 | Keenan Wynn als Bartender (uncredited) |
| Russell Metty | Director of Photography |
| Henry Mancini | Original Music Composer |
| Orson Welles | Screenplay |
| Albert Zugsmith | Producer |
| Aaron Stell | Editor |
| Virgil W. Vogel | Editor |
| Orson Welles | Director |
| Whit Masterson | Novel |
| Robert Clatworthy | Art Direction |
| Alexander Golitzen | Art Direction |
| Bill Thomas | Costume Design |
| David Sharpe | Stunts |
| Leslie I. Carey | Sound |
| John P. Austin | Set Decoration |
| Sherman Clark | Still Photographer |
| Russell A. Gausman | Set Decoration |
| Vic Jones | Gaffer |
| Merle Reeves | Hairstylist |
| Joseph Gershenson | Music Supervisor |
| Phil Bowles | Assistant Director |
| Robert Tafur | Technical Supervisor |
| Edward Curtiss | Additional Editing |
| Betty A. Griffin | Script Supervisor |
| Harry Keller | Assistant Director |
| Vincent Romaine | Makeup Artist |
| Ernest J. Nims | Assistant Editor |
| Franklin Coen | Additional Writing |
| Bud Westmore | Makeup Artist |
| Terence Nelson | Assistant Director |
| Paul Monash | Additional Writing |
| Maurice Seiderman | Makeup Artist |
| Monty Westmore | Makeup Artist |
| James V. King | Camera Operator |
| Barney Kessel | Additional Soundtrack |
| Claire Cramer | Wardrobe Designer |
| Nevada Penn | Wardrobe Master |
| Roy Vaughn | Assistant Camera |
| Wayne Fitzgerald | Title Designer |
