Directed by
| Leon Benson | ||
Writing Credits (in alphabetical order)
| Art Arthur | ... | (written by) |
Cast (in credits order)
| Lloyd Bridges | ... | Mike Nelson | |
| Christopher Dark | ... | Ernesto Santilla | |
| Joe Dominguez | ... | Julio Salas | |
| Charles Maxwell | ... | USCG Commander | |
 |
Jay Della | ... | Mexican Coast Guard Official |
|
|
Carlos Rivero | ... | Hernando - Fisherman |
| Rest of cast listed alphabetically: | |||
|
|
Richard Probert | ... | Amphibian Pilot (uncredited) |
Produced by
| 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
| Garry A. Harris | ... | sound mixer (as Garry Harris) |
| Lawrence Kaufman | ... | sound editor |
| 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
| Mel Bledsoe | ... | key grip |
| Lamar Boren | ... | underwater photographer |
| Richard L. Rawlings | ... | camera operator (as Dick Rawlings) |
| 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
| Larry Lund | ... | script supervisor |
Additional Crew
| Courtney Brown | ... | supervisor: diving operations |
| Barry Cohon | ... | production assistant |
| Joe Wonder | ... | production coordinator |
