Yul Brynner
Role: Colonel Salem
Angie Dickinson
Role: Linda Benson
Georges Géret
Role: Superintendent Roche
Hugh Griffith
Role: Salah Rahman Khan
Jack Hawkins
Role: General Bahar
Rita Hayworth
Role: Monique Marko
Trevor Howard
Role: Sam Lincoln
E.G. Marshall
Role: Coley Jones
Marcello Mastroianni
Role: Inspector Mosca
Amedeo Nazzari
Role: Captain Di Nonno
Anthony Quayle
Role: Captain Vanderbilt
Gilbert Roland
Role: Serge Marko
Harold Sakata
Role: Martin
Barry Sullivan
Role: Chasen
Nadja Tiller
Role: Dr. Bronovska
Eli Wallach
Role: 'Happy' Locarno
Jocelyn Lane
Role: Society Photographer
Luisa Rivelli
Role: Miss Hatif
Sylvia Sorrente
Role: Virgia
Howard Vernon
Role: Dr. Pineau
Marilù Tolo
Role: Sophia Banzo
Grace Kelly
Role: Self - Narrator (uncredited)
Violette Marceau
Role: Minor Role
Gilda Dahlberg
Role: Marko's Table Guest
Morteza Kazerouni
Role: Minor Role
Robert Cunningham
Role: Technician (uncredited)
Ali Oveisi
Role: Minor Role
Yvan Chiffre
Role: (uncredited)
Georges Douking
Role: Financier of Marko (uncredited)
Paolo Magalotti
Role: Bandit Who Knocks Out Benson (uncredited)
Charles Millot
Role: Financier of Marko (uncredited)
Jean-Claude Pascal
Role: Galam Khan (uncredited)
Michel Thomass
Role: Nightclub Maître D' (uncredited)