Robert Crain
Marlon Brando
Captain Müller
Yul Brynner
Admiral (as Oscar Beregi)
Oscar Beregi Jr.
Nissen
Martin Brandt
Kurz
Charles De Vries
Busch
Carl Esmond
Wilke
Martin Kosleck
Steward
Norbert Schiller
Schultz
Rick Traeger
Lt. Brandt
Ivan Triesault
Koeniger
Robert Sorrells
Radio Officer (uncredited)
Eric Braeden
Esther
Janet Margolin
Merchant Marine (uncredited)
Frank London
Jim Goodwin
Gregg Barton
Crew Member (uncredited)
Paul Baxley
Hal Bokar
Heinz Brinkmann
Gene Dynarski
Cornelson, Ingo Navigator (uncredited)
Harold Dyrenforth
Horst Ebersberg
Fritz Ford
Colonel Statter
Trevor Howard
Harold Goodwin
Sam Javis
Roy Jenson
Buck Kartalian
Capt. Hatsuma (uncredited)
Robert Kino
Lutz (uncredited)
Manfred Lating
Kruse
Martin Benrath
Donkeyman
Hans Christian Blech
Dr. Ambach
Wally Cox
Branner
Max Haufler
Milkereit
Rainer Penkert
Baldwin
William Redfield
Writer
Daniel Taradash
Stunts
Bob Herron
Original Music Composer
Jerry Goldsmith
Stunt Coordinator
Stunt Double
Director of Photography
Conrad L. Hall
Director
Bernhard Wicki
Makeup Artist
Ben Nye
Roy N. Sickner
Unit Production Manager
William Eckhardt
Visual Effects
L.B. Abbott
Emil Kosa Jr.
Orchestrator
Arthur Morton
Assistant Director
David Silver
Novel
Werner Jörg Lüddecke
Producer
Aaron Rosenberg
Editor
Joseph Silver
Associate Producer
Barney Rosenzweig
Costume Designer
Moss Mabry
Sound
David Dockendorf
Set Decoration
Jerry Wunderlich
Hairstylist
Margaret Donovan
Art Direction
Jack Martin Smith
Walter M. Scott
Herman A. Blumenthal
Garry Harris