- Charlton Heston
- Ramon Miguel "Mike" Vargas
- Orson Welles
- Police Captain Hank Quinlan, Screenwriter, Director
- Janet Leigh
- Susan "Susie" Vargas
- Joseph Calleia
- Police Sergeant Pete Menzies
- Akim Tamiroff
- Uncle Joe Grandi
- Valentin de Vargas
- Pancho
- Ray Collins
- District Attorney Adair
- Dennis Weaver
- Mirador Motel Night Manager
- Joanna Moore
- Marcia Linnekar
- Mort Mills
- Al Schwartz, District Attorney's Assistant
- Marlene Dietrich
- Tanya
- Victor Millan
- Manelo Sanchez
- Lalo Rios
- Risto, Grandi's nephew
- Michael Sargent
- Pretty Boy
- Mercedes McCambridge
- Gang leader (uncredited)
- Joseph Cotten
- Coroner (uncredited)
- Zsa Zsa Gabor
- Strip-club owner
- Phil Harvey
- Blaine
- Joi Lansing
- Zita
- Harry Shannon
- Chief Gould
- Keenan Wynn
- Bit part (uncredited)
- Orson Welles
- Police Captain Hank Quinlan, Screenwriter, Director
- Paul Monash
- Writer
- Franklin Coen
- Writer
- Albert Zugsmith
- Producer
- Russell Metty
- Cinematographer
- Walter Murch
- Film Editing
- Aaron Stell
- Film Editing
- Virgil Vogel
- Film Editing
- Edward Curtiss
- Film Editing
- Henry Mancini
- Original Music
- Robert Clatworthy
- Art Director
- Alexander Golitzen
- Art Director
- John P. Austin
- Set Decoration
- Russell A. Gausman
- Set Decoration
- Bill Thomas
- Costume Design
