Directed by
| Leon Benson | ||
Writing Credits (in alphabetical order)
| Art Arthur | ... | (written by) |
Cast (in credits order)
| Lloyd Bridges | ... | Mike Nelson | |
| Ken Clark | ... | USCG Commander McStade | |
 |
William Allyn | ... | Johann Farber |
| King Moody | ... | Heinrich Maus | |
|
|
Fred Zendar | ... | Cliff Hodges |
Produced by
| Leon Benson | ... | producer |
| Ivan Tors | ... | executive producer |
Cinematography by
| Richard L. Rawlings | ... | director of photography (as Dick Rawlings) |
Editing by
| Charles Craft | ||
Casting By
| Henry Rackin | ... | (uncredited) |
Art Direction by
| Robert Kinoshita | ||
Set Decoration by
| Lucien Hafley | ... | (as Lou Hafley) |
Production Management
| Joe Wonder | ... | production manager |
Second Unit Director or Assistant Director
| Donald Verk | ... | assistant director |
Sound Department
| Al Lincoln | ... | sound supervisor |
| Bert Schoenfeld | ... | sound editor |
Special Effects by
| Harry Redmond Jr. | ... | special underwater effects |
Stunts
| Dick Dial | ... | stunt double: Lloyd Bridges (uncredited) |
Camera and Electrical Department
| Lamar Boren | ... | underwater photographer |
| Gaylin P. Schultz | ... | key grip (uncredited) |
Costume and Wardrobe Department
| Michael Tierney | ... | wardrobe |
Music Department
| Jerry Roberts | ... | music editor |
Additional Crew
| Courtney Brown | ... | supervisor: diving operations |
| Robert C. Cannom | ... | technical advisor (as Commander Robert C. Cannom) |
