На странице собран полный список персон, участвовавших в создании фильма.
Leonard Nimoy
Commander Phil Kettenring
Sam Elliott
Ensign William 'Bill' Sandover
Keenan Wynn
Orville Kelly
Dewey Martin
Skip Langley
Ron Masak
CPO Corky Schmidt
Joseph Cotten
Admiral
William Windom
Captain Frank Reardon
Lloyd Haynes
Lieutenant Dave Burston
Lee Stanley
Lieutenant Manners
Larry McCormick
Radio Operator
Malachi Throne
Dr. Dykers
John Winston
English Scientist
Ivor Barry
Donald Ellington
Ellen Tucker
Mrs. Karp
Bobby Herbeck
Sonarman
James Beach
Radar Operator (в титрах: Jim Beach)
Henry Olek
Cab Driver
Gordon Hoban
Second Karp (False Karp)
Dale Tarter
Clarence W. (CW)
Bill Keller
Shore Patrolman
David Thorpe
Lieutenant Benson
Paul Sears
Paine
Bo Johnson
Seaman
William L. Campbell
Bill Ross
Leith Stevens
Pierre Ludlum
Marvin J. Chomsky
Donald R. Rode
Howard Schwartz
Bruce Lansbury
Mark Russell
Crewman
Jackson Gillis
