Irwin Allen
Director
George Boemler
Editor
Bert Shefter
Original Music Composer
Winton C. Hoch
Director of Photography
Paul Zastupnevich
Costume Design
Walter M. Scott
Set Decoration
Herman A. Blumenthal
Art Direction
Charles Bennett
Screenplay
Jack Martin Smith
Art Direction
Irwin Allen
Screenplay
John Sturtevant
Set Decoration
Paul Sawtell
Original Music Composer
Irwin Allen
Producer
Alfred Bruzlin
Sound
Paul Sawtell
Conductor
Al Gail
Producer's Assistant
Jim Martell
Transportation Coordinator
L.B. Abbott
Visual Effects
Paul Stader
Stunts
Johnny Hagner
Stunts
Ad Schaumer
Assistant Director
Warren B. Delaplain
Sound
Johnny Borgese
Special Effects
Zale Parry
Stunts
Fred Zendar
Technical Advisor
Max Reese
Orchestrator
Ben Nye
Makeup Artist
John Lamb
Underwater Camera
Helen Turpin
Hairstylist
Irwin Allen
Story
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
Crew Member
William Herrin
Crew Member (Uncredited)
Robert Buckingham
Crew Member (Uncredited)
Richard Adams
Crew Member (Uncredited)
Jimmy Murphy
Crew Member (Uncredited)
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
Guard (Uncredited)
Raoul Freeman
Delegate (Uncredited)
Al Bain
Delegate (Uncredited)
Harry Baum
Delegate (Uncredited)
Benjie Bancroft
Delegate (Uncredited)
Michael Cirillo
Delegate (Uncredited)
Harry Denny
Delegate (Uncredited)
John Giovanni
Delegate (Uncredited)
Bhupesh Guha
Delegate (Uncredited)
Esther Ying Lee
Delegate (Uncredited)
Robert Locke Lorraine
Delegate (Uncredited)
George Nardelli
Delegate (Uncredited)
Paul Power
Delegate (Uncredited)
Paul Ravel
Delegate (Uncredited)
Scott Seaton
Delegate (Uncredited)
Leslie Sketchley
Delegate (Uncredited)
Ray Spiker
Delegate (Uncredited)
Hal Taggart
Delegate (Uncredited)
Robert Strong
Delegate (Uncredited)
Ron Nyman
Crew Member (uncredited)
