Directed by
| Leon Benson | ||
Writing Credits (in alphabetical order)
| Sloan Nibley | ... | (teleplay and story) |
| Stanley H. Silverman | ... | (teleplay) |
Cast (in credits order) complete, awaiting verification
| Lloyd Bridges | ... | Mike Nelson | |
 |
Margie Regan | ... | Lucille Brandon |
| Michael Whalen | ... | Oliver Brandon | |
| Peter Forster | ... | Dr. Alan Clark | |
|
|
James Forrest | ... | Police Inspector Lyons |
Produced by
| Leon Benson | ... | producer |
| Ivan Tors | ... | executive producer |
Cinematography by
| Monroe P. Askins | ... | director of photography (as Monroe Askins) |
Editing by
| Charles Craft | ||
Casting By
| Henry Rackin | ... | (uncredited) |
Art Direction by
| Jack T. Collis | ||
Set Decoration by
| Frank Tuttle | ||
Production Management
| Joe Wonder | ... | production supervisor |
Second Unit Director or Assistant Director
| Ben Chapman | ... | assistant director |
Sound Department
| Gus Galvin | ... | sound editor |
| Al Lincoln | ... | sound supervisor |
| Robert Post | ... | sound mixer |
Stunts
| Dick Dial | ... | stunt double: Lloyd Bridges (uncredited) |
Camera and Electrical Department
| Lamar Boren | ... | underwater photographer |
| Courtney Brown | ... | underwater photography supervisor |
| Ricou Browning | ... | underwater photography supervisor |
| Gaylin P. Schultz | ... | key grip (uncredited) |
Casting Department
| Dorothy Whitney | ... | casting supervisor |
Costume and Wardrobe Department
| Michael Tierney | ... | wardrobe |
Music Department
| Hayes Pagel | ... | music editor |
Additional Crew
| Harry Redmond Jr. | ... | supervisor: technical operations |
| Stanley H. Silverman | ... | story editor |
