Full Credits
23 members

Joseph Cotten
Admiral

Lloyd Haynes
Lt. Dave Burston

Dewey Martin
Skip Langley

Leonard Nimoy
Comdr. Phil Kettenring

William Windom
Capt. Frank Reardon

Keenan Wynn
Orville Kelly

Malachi Throne
Dr. Dykers

Sam Elliott
Ens. William 'Bill' Sandover

Ivor Barry
Donald Ellington

Ron Masak
CPO Corky Schmidt
Gordon Hoban
Second Karp (False Karp)
Lee Stanley
Lt. Manners
David Thorpe
Lt. Benson
Henry Olek
Cab Driver
Dale Tarter
Clarence W. "CW" Karp (First Karp)
James Beach
Radar Operator

John Winston
English Scientist

Larry McCormick
Radio Operator
Paul Sears
Paine
Ellen Tucker
Mrs. Karp
Bill Keller
Shore Patrolman
Bobby Herbeck
Sonarman
Bo Johnson
Seaman
23 members
Marvin J. Chomsky
Director
Robert Birnbaum
Assistant Director
Jackson Gillis
Writer
James Nicholson
Unit Manager
Sam Strangis
Production Manager
Jim Merrick
Casting
Bruce Lansbury
Producer
Howard Schwartz
Director of Photography
Doug Grindstaff
Supervising Sound Editor
Leith Stevens
Original Music Composer
Jack Hunsaker
Supervising Music Editor
Dominick Gaffey
Sound Mixer
Ted Cook
Property Master
William L. Campbell
Art Direction
Bill Ross
Supervising Art Director
Pierre Ludlum
Set Decoration
Hal Lierley
Makeup Artist
Jennifer L. Parsons
Wardrobe Designer
Jan Kemp
Wardrobe Designer
Donald R. Rode
Editor
John Burke
Special Effects
Charlie Picerni
Stunts
Edward K. Milkis
Post Production Supervisor