| Person | Type | Job | Role(s) |
|---|---|---|---|
 Art Arthur | Crew | Writing | Story |
Clifford H. Poland Jr. | Crew | Camera | Director of Photography |
Don K. Ivey | Crew | Art | Set Decoration |
Erwin Dumbrille | Crew | Editing | Editor |
Frank Telford | Crew | Writing | Writer |
 George Sherman | Crew | Production | Producer |
Gordon Zahler | Crew | Sound | Music Supervisor |
Guy Del Russo | Crew | Costume & Make-Up | Makeup Supervisor |
Ivan Tors | Crew | Production | Producer, Story |
 Jack Arnold | Crew | Directing | Director |
Jack T. Collis | Crew | Art | Art Direction |
James Pergola | Crew | Camera | Camera Operator |
John McGreevey | Crew | Writing | Writer |
Lamar Boren | Crew | Camera | Underwater Director of Photography |
 Ricou Browning | Crew | Directing | Director |
William C. Gerrity | Crew | Directing | Assistant Director |
William P. Owens | Crew | Production | Unit Production Manager |
Jordan Klein Sr. | Crew | Camera | Underwater Camera |
Marlana May | Crew | Costume & Make-Up | Makeup Artist |
Irene Aparicio | Crew | Costume & Make-Up | Hairstylist |
Walter G. Morris Jr. | Crew | Lighting | Gaffer |
Leonard Davison | Crew | Sound | Sound Effects Editor |
Nat Holt Jr. | Crew | Directing | Second Assistant Director |
Oscar Barber | Crew | Camera | Camera Operator |
Jeff Barry | Crew | Sound | Original Music Composer |
Andy Jarrell | Cast | Actor | Radioman |
 Arnold Stang | Cast | Actor | Jonah |
 Bruce Gordon | Cast | Actor | Adm. Sheridan |
 Charles G. Martin | Cast | Actor | Chief Petty Officer |
 Charlotte Rae | Cast | Actress | Myrtle Ruth |
Frank Logan | Cast | Actor | Captain |
 Frank Schuller | Cast | Actor | Alan Briggs |
Gary Tigerman | Cast | Actor | Tommie Miller |
 Harvey Lembeck | Cast | Actor | Sonarman |
Henny Backus | Cast | Actress | Mrs. Webster |
 Janet Leigh | Cast | Actress | Vivian Miller |
 Jim Backus | Cast | Actor | T.R. Hollister |
 Ken Berry | Cast | Actor | Mel Cheever |
 Lee Meredith | Cast | Actress | Dr. Wells |
 Lou Wagner | Cast | Actor | Marvin Webster |
 Merv Griffin | Cast | Actor | Himself |
 Pat Henning | Cast | Actor | Reilly |
 Richard Dreyfuss | Cast | Actor | Harold Webster |
 Roddy McDowall | Cast | Actor | Nate Ashbury |
 Tony Randall | Cast | Actor | Fred Miller |
Bud Hoey | Cast | Actor | Mr. Webster |
Lora Kaye | Cast | Secretary | |
 Kay Cole | Cast | Actress | Lorrie Miller |
Jay Laskay | Cast | Philo | |
| Person | Type | Job | Role(s) |
