Directed by
| Leon Benson | ||
Writing Credits (in alphabetical order)
| Stanley H. Silverman | ... | (written by) |
Cast (in credits order) complete, awaiting verification
| Lloyd Bridges | ... | Mike Nelson | |
 |
John Montgomery Greene | ... | Dr. George Snyder |
| Larry Hagman | ... | Elliot Conway | |
| Jan Harrison | ... | Mrs. Gloria Conway | |
| Ken Drake | ... | Dr. Gomez | |
|
|
Ron Gorton | ... | Jose |
Produced by
| Barry Cohon | ... | assistant producer |
| John Florea | ... | associate producer (as Johnny Florea) |
| Ivan Tors | ... | producer |
Cinematography by
| Monroe P. Askins | ... | director of photography (as Monroe Askins) |
Editing by
| Charles Craft | ||
Casting By
| Henry Rackin | ... | (uncredited) |
Second Unit Director or Assistant Director
| Bruce Satterlee | ... | assistant director |
Art Department
| Max Pittman | ... | property master |
Sound Department
| Al Lincoln | ... | sound supervisor |
| Robert Post | ... | sound mixer |
| Sidney Sutherland | ... | sound editor |
Special Effects by
| Harry Redmond Jr. | ... | special underwater effects |
Stunts
| Dick Dial | ... | stunt double: Lloyd Bridges (uncredited) |
Camera and Electrical Department
| Mel Bledsoe | ... | key grip |
| Lamar Boren | ... | underwater photographer |
| Donald Tait | ... | video supervisor |
| Gaylin P. Schultz | ... | key grip (uncredited) |
Costume and Wardrobe Department
| Tommy Thompson | ... | costume supervisor |
Location Management
| William P. Owens | ... | location manager (as William Owens) |
Music Department
| Milton Lustig | ... | music editor |
Script and Continuity Department
| Joe Gannon | ... | script supervisor |
Additional Crew
| Courtney Brown | ... | supervisor: diving operations |
| Joe Wonder | ... | production coordinator |
