Directed by
| Leon Benson | ||
Writing Credits (in alphabetical order)
| Peter R. Brooke | ... | (story) |
| Alfred Callen | ... | (teleplay) |
Cast (in credits order) complete, awaiting verification
| Lloyd Bridges | ... | Mike Nelson | |
| John Lupton | ... | Miff Geiger | |
| Mari Blanchard | ... | Charlotte Hanley | |
| William Bakewell | ... | David McGrath | |
 |
Nick Nicholson | ... | Walter Babbitt |
Produced by
| Leon Benson | ... | producer |
| Ivan Tors | ... | executive producer |
Cinematography by
| Monroe P. Askins | ... | director of photography (as Monroe Askins) |
Editing by
| Warren Adams | ... | (as Warren H. Adams) |
Casting By
| Henry Rackin | ... | (uncredited) |
Art Direction by
| Robert Kinoshita | ||
Set Decoration by
| Frank Wade | ||
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 |
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
| Seth Banks | ... | wardrobe |
Music Department
| Hayes Pagel | ... | music editor |
Additional Crew
| Courtney Brown | ... | supervisor: diving operations |
| Harry Redmond Jr. | ... | supervisor: technical operations |
