Directed by
| Leon Benson | ||
Writing Credits (in alphabetical order)
| Richard P. McDonagh | ... | (written by) |
| Stanley H. Silverman | ... | (written by) |
Cast (in credits order) complete, awaiting verification
| Lloyd Bridges | ... | Mike Nelson | |
| Reed Hadley | ... | Fred Darrow | |
 |
William Woodson | ... | Dr. John Gregory |
| Ross Elliott | ... | USCG Lt. Dave Tulley | |
|
|
Nancy Reynolds | ... | Nurse Davis |
| Jack Warford | ... | USCG Radioman (as John Warford) | |
| Rest of cast listed alphabetically: | |||
| Aline Towne | ... | Elaine Darrow | |
Produced by
| Leon Benson | ... | producer |
| Ivan Tors | ... | executive producer |
Cinematography by
| Monroe P. Askins | ... | director of photography (as Monroe Askins) |
Editing by
| Charles Craft | ||
Casting By
| Henry Rackin | ... | (uncredited) |
Art Direction by
| Robert Kinoshita | ||
Set Decoration by
| Clarence Steensen | ||
Production Management
| Bill Schwartz | ... | production manager |
Second Unit Director or Assistant Director
| William P. Owens | ... | assistant director (as William Owens) |
Sound Department
| Jay Ashworth | ... | sound mixer |
| Al Lincoln | ... | sound supervisor |
| Bert Schoenfeld | ... | sound editor |
Stunts
| Dick Dial | ... | stunt double: Lloyd Bridges (uncredited) |
Camera and Electrical Department
| Lamar Boren | ... | underwater photographer |
| Courtney Brown | ... | underwater photography supervisor |
| Ricou Browning | ... | underwater photography supervisor |
| Gaylin P. Schultz | ... | key grip (uncredited) |
Costume and Wardrobe Department
| Seth Banks | ... | wardrobe |
Music Department
| Wayne Hughes | ... | music editor |
Additional Crew
| Robert C. Cannom | ... | technical advisor (as Commander Robert C. Cannom) |
| Ben Chapman | ... | production coordinator |
| Harry Redmond Jr. | ... | supervisor: technical operations |
| Stanley H. Silverman | ... | story editor |
