Directed by
| Francis D. Lyon | ||
Writing Credits
| Arthur C. Pierce | ||
Cast (in credits order) verified as complete
| Scott Brady | ... | Cmdr. Wayne | |
| Sheree North | ... | Dr. Rene Peron | |
| Gary Merrill | ... | Dr. LaSatier | |
| Wende Wagner | ... | Sandra Welles | |
| Mike Road | ... | Hugh Maddox | |
| John Howard | ... | Dr. James | |
| William Thourlby | ... | Tex | |
| Biff Elliot | ... | Dr. Wilson | |
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Glenn Sipes | ... | Mike |
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Richard Niles | ... | Ellis |
| Roy Barcroft | ... | Skipper | |
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Ed Charles Sweeny | ... | Bos'un |
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Ken Delo | ... | Radio Man |
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Ron Burke | ... | The Thing |
| James Hong | ... | Ho Lee | |
Produced by
| Fred Jordan | ... | executive producer |
| Earle Lyon | ... | producer |
| Wendell E. Niles Jr. | ... | associate producer |
Music by
| Paul Dunlap | ||
Cinematography by
| Brick Marquard | ||
Editing by
| Robert S. Eisen | ||
Casting By
| Kerwin Coughlin | ||
| Jasper Russel | ... | (as Jasper Russell) |
Art Direction by
| Paul Sylos | ... | (as Paul Sylos Jr.) |
Set Decoration by
| Harry Reif | ||
Makeup Department
| Robert Dawn | ... | makeup artist (as Bob Dawn) |
| Linda Trainoff | ... | hair stylist |
Production Management
| Joe Wonder | ... | production manager |
Second Unit Director or Assistant Director
| Joe Wonder | ... | assistant director |
Art Department
| Ted Cooper | ... | property master |
Sound Department
| John L. Bury | ... | sound mixer |
| Doug Grindstaff | ... | sound effects editor (as Douglas H. Grindstaff) |
| Josef von Stroheim | ... | sound effects editor |
Special Effects by
| Roger George | ... | special effects |
Stunts
| Ron Burke | ... | stunts (uncredited) |
Camera and Electrical Department
| Lee Cannon | ... | gaffer |
| Orville Hallberg | ... | camera operator (uncredited) |
Editorial Department
| Robert S. Eisen | ... | supervising editor |
Music Department
| George C. Emick | ... | music editor |
Script and Continuity Department
| Stanley Olsen | ... | script supervisor |
Additional Crew
| Richard Cassarino | ... | amphibian creator |
