 | Taurean Blacque als Captain Phillip Laidlaw |
 | Nancy Everhard als Joyce Collins |
 | Greg Evigan als McBride |
 | Miguel Ferrer als Snyder |
 | Nia Peeples als Scarpelli |
 | Matt McCoy als Jim Richardson |
 | Cindy Pickett als Dr. Diane Norris |
 | Marius Weyers als John Van Gelder |
 | Elya Baskin als Burciaga |
 | Thom Bray als Hodges |
 | Ronn Carroll als Osborne |
 | Chris Walas als (uncredited) |
| Sean S. Cunningham | Director |
| Lewis Abernathy | Screenplay |
| Geof Miller | Screenplay |
| Sean S. Cunningham | Producer |
| Mario Kassar | Executive Producer |
| Patrick Markey | Producer |
| Andrew G. Vajna | Executive Producer |
| Harry Manfredini | Original Music Composer |
| Mac Ahlberg | Director of Photography |
| David Handman | Editor |
| Melissa Skoff | Casting |
| Amy Endries | Costume Design |
| John Krenz Reinhart Jr. | Production Design |
| Don Diers | Art Direction |
| Larry Fulton | Art Direction |
| Christina Volz | Set Decoration |
| Scott Herbertson | Set Designer |
| Michael Muhlfriedel | Leadman |
| Dan Dorfer | Scenic Artist |
| Gary Gagliardo | Construction Foreman |
| Jeff Spellerberg | Property Master |
| David Touster | Property Master |
| Tal Wallace | Propmaker |
| Fred J. Brown | Supervising Sound Editor |
| David E. Campbell | Sound Re-Recording Mixer |
| Gene Corso | Supervising Sound Editor |
| Evelyn Dutton | Foley |
| Wayne Heitman | Sound Re-Recording Mixer |
| Matthew Iadarola | Sound Re-Recording Mixer |
| John T. Reitz | Sound Re-Recording Mixer |
| Gregg Rudloff | Sound Re-Recording Mixer |
| Blair Scheller | Boom Operator |
| James Isaac | Visual Effects Supervisor |
| Kane Hodder | Stunt Coordinator |
| Jack Hager | Transportation Captain |
| Stuart Shiff | Transportation Coordinator |
| Susan Bierbaum | Script Supervisor |
| Roger Good | Security |
| David Boyd | Camera Operator |
| Pete Romano | Underwater Camera |
| Merie Weismiller Wallace | Still Photographer |
| Stephen Collins | Additional Camera |
| Dennis Bishop | Gaffer |
| Karine Jonet | Unit Publicist |
| Lewis Abernathy | Story |
| John Branagan | Stunts |
| Eugene Collier | Stunts |
| Donna Evans | Stunts |
| Diane Hetfield | Stunts |
| Maria R. Kelly | Stunts |
| Rick McCallum | Stunts |
| Dane Farwell | Stunts |
| Alan Marcus | Stunts |
| Debi Manwiller | Casting Assistant |
| Chris Walas | Creature Effects Technical Director |
| Michael Williams | Key Hair Stylist |
| Phyllis Temple | Assistant Makeup Artist |
| Mark Shostrom | Creature Effects Technical Director |
| Toby Sells | Special Effects Makeup Artist |
| Gandhi Bob Arrollo | Key Makeup Artist |
| Debbie Hayn-Cass | Unit Production Manager |
| Debbie Hayn-Cass | Production Supervisor |
| Patrick Markey | Unit Production Manager |
| Gary Stanek | Production Supervisor |
| Peter Gries | First Assistant Director |
| David Cass Jr. | Second Second Assistant Director |
| Jeanne Caliendo | Second Assistant Director |
| Greg Nicotero | Creature Effects Technical Director |
| Arlon Ober | Orchestrator |
| Harvey Cohen | Orchestrator |
| Mario Kassar | Presenter |
| Andrew G. Vajna | Presenter |
