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Tarah Nutter as Sandy |
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Christopher S. Nelson as Greg |
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Jack Palance as Joe Taylor |
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მარტინ ლანდაუ as Fred 'Sarge' Dobbs |
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Sue Ane Langdon as Aggie |
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Neville Brand as Leo |
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Cameron Mitchell as Hunter |
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Darby Hinton as Randy |
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David Caruso as Tom |
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Kevin Peter Hall as The Alien |
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Lynn Theel as Beth |
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Larry Storch as Scoutmaster |
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Ralph Meeker as Dave |
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Mark Ness as Bill, pool shooter |
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Burt Davis as Old Man At Bar |
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Jeffrey Sudzin as Ambulance Driver |
| Directing | Greydon Clark | Director |
| Writing | Lyn Freeman | Writer |
| Writing | Daniel Grodnik | Writer |
| Writing | Steven R. Mathis | Writer |
| Writing | Bennett Tramer | Writer |
| Production | Greydon Clark | Producer |
| Production | Paul Kimatian | Executive Producer |
| Production | Skip Steloff | Executive Producer |
| Sound | Dan Wyman | Original Music Composer |
| Camera | Dean Cundey | Director of Photography |
| Editing | Curtis Burch | Editor |
| Art | Jack De Wolf | Production Design |
| Crew | Greg Cannom | Makeup Effects |
| Costume & Make-Up | Alistair Mitchell | Makeup Artist |
| Crew | Joe Quinlivan | Special Effects |
| Costume & Make-Up | Elois Jenssen | Costume Design |
| Directing | Caren Singer | First Assistant Director |
| Directing | Jeffrey Sudzin | Second Assistant Director |
| Camera | Clyde E. Bryan | First Assistant Camera |
| Camera | Thomas Vanghele | Second Assistant Camera |
| Directing | Brenda Weisman | Script Supervisor |
| Sound | Jean Clark | Boom Operator |
| Art | Woody Perkins | Props |
| Lighting | Scott Buttfield | Gaffer |
| Lighting | Howard Herrington | Assistant Gaffer |
| Camera | Dylan Shephard | Key Grip |
| Camera | Mike Connors | Grip |
| Lighting | Matia Karrell | Electrician |
| Lighting | Brenda Haverstock | Electrician |
| Camera | Hedy Dietz | Still Photographer |
| Production | L. Steven Snyder | Production Accountant |
| Editing | Julia Evershade | Assistant Editor |
| Sound | Robert Dietz | Sound |
| Sound | Earl Watson | Sound Editor |
| Art | Haywood Perkins | Property Master |
| Costume & Make-Up | Jack Buehler | Wardrobe Supervisor |
| Production | Daniel Grodunk | Co-Producer |
| Production | Lyn Freeman | Co-Producer |
| Production | Curtis Burch | Associate Producer |
| Production | Milton Spencer | Associate Producer |
| Production | Jefferson Richard | Production Manager |
