Directed by
| Leon Benson | ||
Writing Credits (in alphabetical order)
| Jack Rock | ... | (written by) |
Cast (in credits order) complete, awaiting verification
| Lloyd Bridges | ... | Mike Nelson | |
| Pamela Duncan | ... | Catherine Martin | |
 |
Michael Garth | ... | John Sumner |
|
|
Leo Needham | ... | Markey |
| Charles Maxwell | ... | Enemy Agent | |
| Rest of cast listed alphabetically: | |||
| Troy Melton | ... | Enemy Agent (uncredited) | |
Produced by
| John Florea | ... | associate producer (as Johnny Florea) |
Cinematography by
| Monroe P. Askins | ... | director of photography (as Monroe Askins) |
Editing by
| Charles Craft | ||
Casting By
| Henry Rackin | ... | (uncredited) |
Set Decoration by
| Lucien Hafley | ... | (as Lou Hafley) |
Production Management
| Ivan Tors | ... | in charge of production |
Second Unit Director or Assistant Director
| Bruce Satterlee | ... | assistant director |
Art Department
| Robert Kinoshita | ... | set designer |
| Max Pittman | ... | property master |
Sound Department
| Milton Citron | ... | sound editor |
| Al Lincoln | ... | sound supervisor |
| Robert Post | ... | sound mixer |
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 |
Music Department
| Milton Lustig | ... | music editor |
Script and Continuity Department
| Joe Gannon | ... | script supervisor |
Additional Crew
| Courtney Brown | ... | supervisor: diving operations |
| Barry Cohon | ... | production assistant |
| Joe Wonder | ... | production coordinator |
