Captain Eric Finlander, U.S.N.
Richard Widmark
Ben Munceford
Sidney Poitier
Seaman 1st Class - Communications
Paul Carson
Lieutenant Hacker U.S.N. - Communications
Ed Bishop
Seaman Jones - Bridge
Colin Maitland
Seaman 2nd Class - Bridge
Paul Tamarin
Seaman 1st Class - Bridge
Frank Lieberman
James Caffrey
Burnell Tucker
Lieutenant Krindlemeyer U.S.N. - Bridge
Mike Lennox
Lieutenant Hazelwood U.S.N. - Bridge
Bill Edwards
Stephen Schreiber
Ensign Ralston, U.S.N.
James MacArthur
Ronald Rubin
Eugene Leonard
Seaman 2nd Class - C.I.C.
Roy Stephens
Lieutenant Berger U.S.N. - C.I.C.
George Roubicek
Seaman 1st Class - C.I.C.
John McCarthy
Shane Rimmer
Glenn Beck
Petty Officer - Communications
Laurence Herder
Hospitalman Nerney - Sick Bay
Donald Sutherland
Hospitalman Strauss - Sick Bay
Warren Stanhope
Lieut Cmdr. Chester Potter, M.D., U.S.N.
Martin Balsam
Seaman Merlin Queffle
Wally Cox
Commodore Wolfgang Schrepke, Deutsche Marine
Eric Portman
Commander Allison Executive Officer - Bridge
Michael Kane
Lieutenant Bascombe U.S.N. - C.I.C.
Gary Cockrell
Chief Hospitalman Mckinley - Sick Bay
Phil Brown
Lieutenant Beckman U.S.N. - Communications
Brian Davies
Screenplay
James Poe
Director
James B. Harris
Producer
Art Direction
Arthur Lawson
Original Music Composer
Gerard Schurmann
Director of Photography
Gilbert Taylor
Editor
John Jympson
Novel
Mark Rascovich
Makeup Artist
Eric Allwright
Camera Operator
Derek V. Browne
Technical Advisor
Ian Cox
Assistant Editor
Pamela Tomling
Conductor
Assistant Art Director
Lionel Couch
J. D. Ferguson
Roy Benson
Casting Director
James Liggat
Associate Producer
Denis O'Dell
Sound Recordist
Bob Jones
Sound Editor
Winston Ryder
Continuity
Phyllis Crocker
Les Hammond
Assistant Director
Clive Reed
Production Manager
Victor Peck