Directed by
| Leon Benson | ||
Writing Credits
| Art Arthur | ... | (written by) |
Cast (in credits order) verified as complete
| Lloyd Bridges | ... | Mike Nelson | |
| Jim Bannon | ... | Fire Chief Jim McVey | |
 |
Jus Callahan | ... | Scanoscope Operator |
|
|
Harry Clexx | ... | Mr. Rawson |
|
|
Tom Vize | ... | Toliver (as Tommy Vize) |
| Rest of cast listed alphabetically: | |||
|
|
Richard Probert | ... | Pilot (uncredited) |
Produced by
| Leon Benson | ... | associate producer |
| Ivan Tors | ... | producer |
Cinematography by
| Jacques R. Marquette | ... | director of photography (as Jack Marquette) |
Editing by
| Lee Hall | ... | (as Lee C. Hall) |
Set Decoration by
| Lucien Hafley | ... | (as Lou Hafley) |
| Frank Wade | ||
Production Management
| Joe Wonder | ... | production manager |
Second Unit Director or Assistant Director
| Bruce Satterlee | ... | assistant director |
Art Department
| Robert Kinoshita | ... | set designer |
Sound Department
| Al Lincoln | ... | audio supervisor |
Special Effects by
| Harry Redmond Jr. | ... | special underwater effects |
Stunts
| Dick Dial | ... | stunt double: Lloyd Bridges (uncredited) |
Camera and Electrical Department
| Lamar Boren | ... | underwater photography |
| Gaylin P. Schultz | ... | key grip (uncredited) |
Costume and Wardrobe Department
| Tommy Thompson | ... | costume supervisor |
Location Management
| William P. Owens | ... | location manager (as William Owens) |
Script and Continuity Department
| Richard Michaels | ... | script supervisor (uncredited) |
Additional Crew
| Courtney Brown | ... | supervisor of diving operations |
