Directed by
| Dick Moder | ... | (as Richard Moder) |
Writing Credits (in alphabetical order)
| Stanley H. Silverman | ... | (written by) |
Cast (in credits order)
| Lloyd Bridges | ... | Mike Nelson | |
| Kelton Garwood | ... | Dr. Kendrick Kelway | |
| Lisabeth Hush | ... | Linda Kelway | |
| Bert Kramer | |||
 |
Ken Roberts | ||
Produced by
| Leon Benson | ... | producer |
| Ivan Tors | ... | executive producer |
Cinematography by
| Brick Marquard | ... | director of photography |
Editing by
| John F. Schreyer | ||
Casting By
| Henry Rackin | ... | (uncredited) |
Art Direction by
| Jack T. Collis | ||
Set Decoration by
| Charles S. Thompson | ... | (as Charles Thompson) |
Production Management
| Joe Wonder | ... | production supervisor |
Second Unit Director or Assistant Director
| Donald Verk | ... | assistant director |
Sound Department
| James Fritch | ... | sound editor |
| Garry A. Harris | ... | sound mixer (as Garry Harris) |
| Al Lincoln | ... | sound supervisor |
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
| Forrest T. Butler | ... | wardrobe (as Forrest Butler) |
Music Department
| Jerry Roberts | ... | music editor |
Additional Crew
| Harry Redmond Jr. | ... | supervisor: technical operations |
| Stanley H. Silverman | ... | story editor |
