The crew of an atomic submarine battle to save the world from global destruction.
| Directing | Irwin Allen | Director |
| Writing | Irwin Allen | Screenplay |
| Writing | Charles Bennett | Screenplay |
| Production | Irwin Allen | Producer |
| Sound | Paul Sawtell | Original Music Composer |
| Sound | Bert Shefter | Original Music Composer |
| Camera | Winton C. Hoch | Director of Photography |
| Editing | George Boemler | Editor |
| Art | Herman A. Blumenthal | Art Direction |
| Art | Jack Martin Smith | Art Direction |
| Art | Walter M. Scott | Set Decoration |
| Art | John Sturtevant | Set Decoration |
| Costume & Make-Up | Paul Zastupnevich | Costume Design |
| Writing | Irwin Allen | Story |
| Costume & Make-Up | Ben Nye | Makeup Artist |
| Costume & Make-Up | Helen Turpin | Hairstylist |
| Camera | John Lamb | Underwater Camera |
| Directing | Ad Schaumer | Assistant Director |
| Sound | Alfred Bruzlin | Sound |
| Sound | Warren B. Delaplain | Sound |
| Crew | Johnny Borgese | Special Effects |
| Visual Effects | L.B. Abbott | Visual Effects |
| Crew | Johnny Hagner | Stunts |
| Crew | Zale Parry | Stunts |
| Crew | Paul Stader | Stunts |
| Sound | Max Reese | Orchestrator |
| Sound | Paul Sawtell | Conductor |
| Crew | Jim Martell | Transportation Coordinator |
| Crew | Fred Zendar | Technical Advisor |
| Production | Al Gail | Producer's Assistant |
