 | Dennis Quaid als Willis Davidge |
 | Louis Gossett Jr. als Jeriba 'Jerry' Shigan |
 | Brion James als Stubbs |
 | Richard Marcus als Arnold |
 | Carolyn McCormick als Morse |
 | Lance Kerwin als Joey Wooster |
 | Bumper Robinson als Zammis |
 | Jim Mapp als Old Drac |
 | Scott Kraft als Jonathan |
| Lou Michaels als Wilson |
| Andy Geer als Bates |
 | Henry Stolow als Cates |
| Danmar als Wise Guy |
| Mandy Hausenberger als 1st Medic |
 | Herb Andress als Hopper |
 | Jack Luceno als Drac Movement |
 | Barry Stokes als Huck |
 | Ulrich Günther als Daggett |
 | Emily Woods als Simpson |
| Colin Gilder als Chavo |
 | Charles M. Huber als Kranzer |
| Frank Henson als Lump |
| Jazzer Jeyes als Scarbreath |
| Doug Robinson als Walker |
| Mark McBride als Hensler |
| Menyhért René Balog-Dutombé als Mills |
| Tony L. Moore als Special Drac |
 | Tom Baker als Narrator (voice) |
| Jane Feinberg | Casting |
| Mike Fenton | Casting |
| Monika Bauert | Costume Design |
| Maurice Jarre | Original Music Composer |
| Rolf Zehetbauer | Production Design |
| Rolf Zehetbauer | Set Decoration |
| Robert Hathaway | Music Editor |
| Wolfgang Petersen | Director |
| Hannes Nikel | Editor |
| Hannes Nikel | Second Unit Director |
| Edward Khmara | Screenplay |
| Bob MacDonald Jr. | Special Effects Supervisor |
| Mel Kutbay | Foley |
| Bert Batt | First Assistant Director |
| Bill Weston | Stunts |
| Werner Achmann | Art Direction |
| Gerd Huber | Second Assistant Director |
| Tony Imi | Director of Photography |
| Stanley O'Toole | Executive Producer |
| Chris Walas | Creature Design |
| Chris Walas | Special Effects Makeup Artist |
| Jan-Michael Brandt | Unit Manager |
| Stephen J. Friedman | Producer |
| Walter Pucker | Production Manager |
| Troy Neighbors | Casting |
| Barry Longyear | Story |
| Herbert Strabel | Art Direction |
| Martin Grace | Stunt Coordinator |
| Brian Wade | Special Effects Makeup Artist |
| Thomas Jauch | Second Unit First Assistant Director |
| Eddie Powell | Stunts |
| Zoltán Horváth | Set Dresser |
| Markus Blunder | Second Assistant Camera |
| Karola Storr | Foley Editor |
| Ray Gilberti | Assistant Camera |
| John Ireland | Dialogue Editor |
| Karl-Heinz Vogelmann | Still Photographer |
| Albrecht von Bethmann | Second Unit First Assistant Director |
| Stanley B. Gill | Sound Recordist |
| Chris Taylor | Key Hair Stylist |
| Daniel Parker | Makeup Designer |
| Peter Dürst | Property Master |
| Richard Eglseder | Property Master |
| Bernhard Neureiter | Construction Coordinator |
| Grahame Ménage | Scenic Artist |
| Gary Clayton | Dialogue Editor |
| Ron Pender | Dolby Consultant |
| Heiner Harss | Foley |
| Mike Le Mare | Sound Designer |
| Scott Brose | Sound Editor |
| Alan Paley | Sound Editor |
| Bruce Walters | Animation Supervisor |
| Ellen E. Lichtwardt | Animation Supervisor |
| Dave Carson | Visual Effects Art Director |
| Christine Jahn | Visual Effects Editor |
| Don Dow | Visual Effects Supervisor |
| Tony White | Camera Operator |
| Michel Gemmell | Underwater Director of Photography |
| Alfie Emmins | Gaffer |
| Micky Wilson | Gaffer |
| Hunt Downs | Unit Publicist |
| Günther Ruckdeschel | Boom Operator |
| Kathy Sykes | Production Coordinator |
| Carol Walas | Creature Design |
| Dieter Meyer | Production Supervisor |
| Harry Nap | Production Manager |
| Robert Hottarek | Third Assistant Director |
| Gary Clayton | Dialogue Editor |
| Ellen Lichtwardt Goodchild | Animation Supervisor |
| Terry Cade | Stunts |
| Peter Bond | Sound Editor |
| Ariel Levy | Production Manager |
| Michael Murchan | Construction Manager |
| Scott Wodehouse | Production Manager |
| Josef Farnbauer | Sculptor |
| Jack Coggins | Electrician |
| Bernie Grill | Best Boy Electric |
| Randy Jonsson | Assistant Camera |
| Clive Prior | Second Assistant Camera |
| Susan Fritz-Monahan | Production Coordinator |
