A young woman has spent her life tormented by the death of her mother, who was on a ship torpedoed during World War II. When her father hires an investigator to look into the circumstances of the mother's death 30 years prior, it triggers a new rash of emotional turmoil for the young woman and uncovers a heinous crime.
| Directing | Walter Grauman | Director |
| Writing | Laurence Heath | Teleplay |
| Writing | Donald A. Stanwood | Novel |
| Production | Irwin Allen | Producer |
| Production | George E. Swink | Associate Producer |
| Sound | Richard LaSalle | Original Music Composer |
| Camera | Al Francis | Director of Photography |
| Camera | John M. Nickolaus Jr. | Director of Photography |
| Editing | John A. Fegan Jr. | Editor |
| Art | Duane Alt | Art Direction |
| Art | Stuart A. Reiss | Set Decoration |
| Costume & Make-Up | Paul Zastupnevich | Costume Design |
| Directing | Richard H. Prince | Second Assistant Director |
| Art | Joseph Musso | Production Illustrator |
| Sound | Alan Bernard | Sound Mixer |
| Sound | Jerry Jacobson | ADR Editor |
| Crew | Marlowe Newkirk | Special Effects |
| Crew | Gary Hymes | Stunts |
| Crew | David LeBell | Stunts |
| Crew | Frank James Sparks | Stunts |
| Editing | Janet Gratz | Assistant Editor |
| Crew | Donald P. Desmond | Transportation Coordinator |
| Crew | George E. Swink | Post Production Supervisor |
| Production | William L. Young | Unit Production Manager |
| Directing | Michael Kusley | First Assistant Director |
| Writing | Norman Katkov | Story Editor |
| Sound | Ed Scheid | Supervising Sound Editor |
| Sound | Sid Lubow | Sound Editor |
| Sound | Allan R. Potter | Sound Editor |
| Sound | Josef von Stroheim | Sound Editor |
| Sound | Richard Raderman | Sound Editor |
| Sound | Gene Eliot | Sound Editor |
| Sound | Abby Marable | Music Editor |
| Production | Art Volpert | Executive Assistant |
| Production | Tony Habeeb | Publicist |
| Production | Jack Baur | Casting |
| Crew | M. James Arnett | Stunt Coordinator |
| Art | Joe Falcetti | Property Master |
| Costume & Make-Up | Chuck Crafts | Makeup Artist |
| Costume & Make-Up | Joe Haley | Makeup Artist |
| Costume & Make-Up | Edwin Butterworth | Makeup Artist |
| Costume & Make-Up | Darby Hoppin | Hairstylist |
| Costume & Make-Up | Sugar Blymyer | Hairstylist |
