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