Mike Kells
Tyrone Power
Joan Ross
Patricia Neal
Narrator (voice) (uncredited)
Hugh Marlowe
Russian Agent (uncredited)
Charles Bronson
Military Police Jeep Driver (uncredited)
E.G. Marshall
Military Policeman at Trieste (uncredited)
Lee Marvin
Pat Hogan
Col. Cagle
Stephen McNally
Janine Betki
Hildegard Knef
Sgt. Ernie Guelvada
Karl Malden
Sam F. Carew
James Millican
Rasumny Platov
Stefan Schnabel
Arnov
Herbert Berghof
Maximilian
Arthur Blake
Airline Stewardess
Helene Stanley
Director of Photography
Lucien Ballard
Director
Henry Hathaway
Makeup Artist
Ben Nye
Screenplay
Casey Robinson
Producer
Editor
James B. Clark
Original Music Composer
Sol Kaplan
Costume Design
Charles LeMaire
Novel
Peter Cheyney
Liam O'Brien
Art Direction
John DeCuir
Lyle R. Wheeler
Sound
Roger Heman Sr.
W. D. Flick
Elois Jenssen