The crew of an atomic submarine battle to save the world from global destruction.
Walter Pidgeon
Admiral Harriman Nelson
Robert Sterling
Captain Lee Crane
Barbara Eden
Lieutenant Cathy Conners
Peter Lorre
Comm. Lucius Emery
Joan Fontaine
Dr. Susan Hiller
Michael Ansara
Dr. Miguel Alvares
Frankie Avalon
Lieutenant Chip Romano
Regis Toomey
Dr. Jamieson
John Litel
Vice Admiral B.J. Crawford
Howard McNear
Congressman Llewellyn Parker
Henry Daniell
Dr. Zucco
Robert Easton
Sparks
Charles Tannen
CPO Mack Gleason
Mark Slade
Seaman Jimmy 'Red' Smith
Del Monroe
Seaman Kowski
Jonathan Gilmore
Seaman George Young
Anthony Monaco
Cookie
Skip Ward
Crew Member
Michael Ford
William Herrin
Crew Member (Uncredited)
Robert Buckingham
Richard Adams
Jimmy Murphy
George Diestel
Lieutenant Hodges (Uncredited)
Larry Gray
Dr. Newmar (Uncredited)
David McLean
Ned Thompson (Uncredited)
Edward Rickard
Officer (Uncredited)
Charles Dierkop
Seaview Pilot (Uncredited)
Kendrick Huxham
UN Committee Chairman (Uncredited)
Art Baker
UN Commentator (Uncredited)
Rodger Terry
Guard (Uncredited)
Brad Brown
Raoul Freeman
Delegate (Uncredited)
Al Bain
Harry Baum
Benjie Bancroft
Michael Cirillo
Harry Denny
John Giovanni
Bhupesh Guha
Esther Ying Lee
Robert Locke Lorraine
George Nardelli
Paul Power
Paul Ravel
Scott Seaton
Leslie Sketchley
Ray Spiker
Hal Taggart
Robert Strong
Ron Nyman
Crew Member (uncredited)
Herman A. Blumenthal
Art Direction
Paul Sawtell
Original Music Composer
Irwin Allen
Producer
John Sturtevant
Set Decoration
Paul Zastupnevich
Costume Design
Walter M. Scott
Screenplay
George Boemler
Editor
Charles Bennett
Director
Winton C. Hoch
Director of Photography
Jack Martin Smith
Bert Shefter
Fred Zendar
Technical Advisor
Johnny Hagner
Stunts
Conductor
Max Reese
Orchestrator
Al Gail
Producer's Assistant
Alfred Bruzlin
Sound
Warren B. Delaplain
Paul Stader
L.B. Abbott
Visual Effects
Ad Schaumer
Assistant Director
Zale Parry
Jim Martell
Transportation Coordinator
Story
John Lamb
Underwater Camera
Ben Nye
Makeup Artist
Helen Turpin
Hairstylist
