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