Directed by
| John Florea | ... | (as Johnny Florea) |
Writing Credits (in alphabetical order)
| Arthur Weiss | ... | (written by) |
Cast (in credits order) complete, awaiting verification
| Lloyd Bridges | ... | Mike Nelson | |
| Jan Harrison | ... | Ruth Morgan | |
| Paul Maxwell | ... | Dan Morgan | |
 |
Lomax Study | ... | Dr. Barr |
|
|
Jack Richardson | ... | Hanes |
|
|
Courtney Brown | ... | Wilson |
Produced by
| Ivan Tors | ... | producer |
Cinematography by
| Robert Hoffman | ... | director of photography |
Editing by
| Charles Craft | ||
Set Decoration by
| Lucien Hafley | ... | (as Lou Hafley) |
Production Management
| Joe Wonder | ... | production manager |
Second Unit Director or Assistant Director
| Bruce Satterlee | ... | assistant director |
Art Department
| Robert Kinoshita | ... | set designer |
Sound Department
| Al Lincoln | ... | sound supervisor |
Special Effects by
| Harry Redmond Jr. | ... | special underwater effects |
Stunts
| Dick Dial | ... | stunt double: Lloyd Bridges (uncredited) |
Camera and Electrical Department
| John Lamb | ... | underwater photographer |
| Gaylin P. Schultz | ... | key grip (uncredited) |
Costume and Wardrobe Department
| Tommy Thompson | ... | costume supervisor |
Location Management
| William P. Owens | ... | location manager (as William Owens) |
Additional Crew
| Courtney Brown | ... | supervisor: diving operations |
