The USS Neptune, a nuclear submarine, is sunk off the coast of Connecticut after a collision with a Norwegian cargo ship. The navy must attempt a potentially dangerous rescue in the hope of saving the lives of the crew.
| Production | Walter Mirisch | Producer |
| Directing | David Greene | Director |
| Writing | David Lavallee | Novel |
| Writing | James Whittaker | Screenplay |
| Editing | Robert Swink | Editor |
| Production | Lynn Stalmaster | Casting |
| Writing | Frank P. Rosenberg | Adaptation |
| Writing | Howard Sackler | Screenplay |
| Art | John M. Dwyer | Set Decoration |
| Camera | Stevan Larner | Director of Photography |
| Sound | Jerry Fielding | Original Music Composer |
| Costume & Make-Up | Lon Bentley | Makeup Artist |
| Art | William H. Tuntke | Production Design |
| Sound | John K. Kean | Sound |
| Sound | Kevin F. Cleary | Sound |
| Sound | Peter Berkos | Sound Effects Editor |
| Sound | Jerry Cohen | Music Editor |
| Production | William W. Gray | Production Manager |
| Directing | Mack Bing | First Assistant Director |
| Directing | Patrick A. Duffy | Second Assistant Director |
| Directing | Michael Stanislavsky | Second Assistant Director |
| Crew | Curtis Dickson | Special Effects |
| Crew | Gregory J. Barnett | Stunts |
