| Person | Type | Job | Role(s) |
|---|---|---|---|
 Chris Walas | Crew | Art | Special Props |
 Conrad E. Palmisano | Crew | Crew | Stunt Coordinator |
 Hisako Tsukuba | Crew | Production | Co-Producer |
 Jamie Anderson | Crew | Camera | Director of Photography |
Jeff Schechtman | Crew | Production | Executive Producer |
 Joe Dante | Crew | Directing | Director, Editor |
 John Sayles | Crew | Writing | Screenplay, Story |
 Jon Berg | Crew | Crew | Special Effects |
Jon Davison | Crew | Production | Producer |
 Phil Tippett | Crew | Visual Effects | Creature Design |
 Pino Donaggio | Crew | Sound | Original Music Composer |
 Rob Bottin | Crew | Costume & Make-Up | Special Effects Makeup Artist |
 Roger Corman | Crew | Production | Executive Producer |
Susan Arnold | Crew | Production | Casting |
Vincent Prentice | Crew | Costume & Make-Up | Special Effects Makeup Artist |
 Mark Goldblatt | Crew | Editing | Editor |
Robert Short | Crew | Art | Special Props |
Bill Mellin | Crew | Art | Art Direction |
Kerry Mellin | Crew | Art | Art Direction |
Jeff Ayers | Crew | Art | Set Decoration |
Richard Robinson | Crew | Writing | Story |
 Amy Holden Jones | Cast | Actress | Hertz Clerk (uncredited) |
Andrew G. La Marca | Cast | Actor | Scuba Diver #1 (uncredited) |
 Barbara Steele | Cast | Actress | Dr. Mengers |
 Barry Brown | Cast | Actor | Trooper |
