Marlon Brando

Robert Crain

Yul Brynner

Captain Müller

Janet Margolin

Esther

Trevor Howard

Colonel Statter

Martin Benrath

Kruse

Hans Christian Blech

Donkeyman

Wally Cox

Dr. Ambach

Max Haufler

Branner

Rainer Penkert

Milkereit

William Redfield

Baldwin

Oscar Beregi Jr.

Admiral (as Oscar Beregi)

Martin Brandt

Nissen

Charles De Vries

Kurz

Carl Esmond

Busch

Martin Kosleck

Wilke

Norbert Schiller

Steward

Rick Traeger

Schultz

Ivan Triesault

Lt. Brandt

Robert Sorrells

Koeniger

Eric Braeden

Radio Officer (uncredited)

Frank London

Merchant Marine (uncredited)

Jim Goodwin

Merchant Marine (uncredited)

Gregg Barton

Merchant Marine (uncredited)

Paul Baxley

Crew Member (uncredited)

Hal Bokar

Merchant Marine (uncredited)

Heinz Brinkmann

Crew Member (uncredited)

Gene Dynarski

Merchant Marine (uncredited)

Harold Dyrenforth

Cornelson, Ingo Navigator (uncredited)

Horst Ebersberg

Crew Member (uncredited)

Fritz Ford

Crew Member (uncredited)

Sam Javis

Merchant Marine (uncredited)

Roy Jenson

Merchant Marine (uncredited)

Buck Kartalian

Merchant Marine (uncredited)

Robert Kino

Capt. Hatsuma (uncredited)

Manfred Lating

Lutz (uncredited)

Harold Goodwin

Merchant Marine (uncredited)

Bernhard Wicki

Director

Daniel Taradash

Writer

Roy N. Sickner

Stunt Double

Paul Baxley

Stunt Coordinator

Paul Baxley

Stunt Double

David Silver

Assistant Director

William Eckhardt

Unit Production Manager

Emil Kosa Jr.

Visual Effects

L.B. Abbott

Visual Effects

Arthur Morton

Orchestrator

Conrad Hall

Director of Photography

Aaron Rosenberg

Producer

Werner Jörg Lüddecke

Novel

Joseph Silver

Editor

Jerry Goldsmith

Original Music Composer

Bob Herron

Stunts

Garry Harris

Sound

Margaret Donovan

Hairstylist

David Dockendorf

Sound

Jack Martin Smith

Art Direction

Herman A. Blumenthal

Art Direction

Ben Nye

Makeup Artist

Jerry Wunderlich

Set Decoration

Barney Rosenzweig

Associate Producer

Moss Mabry

Costume Designer

Walter M. Scott

Set Decoration