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Dee Wallace as Karen White |
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Patrick Macnee as Dr. George Waggner |
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Dennis Dugan as Chris |
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Christopher Stone as R. William 'Bill' Neill |
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Belinda Balaski as Terry Fisher |
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Kevin McCarthy as Fred Francis |
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John Carradine as Erle Kenton |
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Slim Pickens as Sam Newfield |
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Elisabeth Brooks as Marsha Quist |
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Robert Picardo as Eddie Quist |
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Margie Impert as Donna |
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Noble Willingham as Charlie Barton |
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James Murtaugh as Jerry Warren |
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Jim McKrell as Lew Landers |
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Meshach Taylor as Shantz |
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Robert A. Burns as Porn Store Patron |
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Kenneth Tobey as Older Cop |
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Dick Miller as Walter Paisley - Bookstore Owner |
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Don McLeod as T.C. Quist |
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Bill Sorrells as Kline |
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Ivan Saric as Jack Molina |
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Steve Nevil as Young Cop |
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Sarina C. Grant as Hooker |
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Wendell Wright as Man at Bar |
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Herbie Braha as Porno Cashier |
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Joe Bratcher as Radio Man |
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Chico Martínez as Man on Street |
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Daniel Nunez as Liquor Cashier |
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Michael O'Dwyer as Drunk |
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Roger Corman as Man in Phone Booth (uncredited) |
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John Sayles as Morgue Attendant (uncredited) |
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Jonathan Kaplan as Gas Station Attendant (uncredited) |
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Forrest J. Ackerman as Bookstore Customer (uncredited) |
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Robert A. Burns as Porn Store Patron (uncredited) |
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Michael Chapman as Man at End of Bar (uncredited) |
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Mick Garris as Man with TV Guide (uncredited) |
| Writing | John Sayles | Screenplay |
| Production | Jack Conrad | Producer |
| Production | Steven A. Lane | Executive Producer |
| Sound | Pino Donaggio | Original Music Composer |
| Directing | Joe Dante | Director |
| Production | Michael Finnell | Producer |
| Writing | Gary Brandner | Novel |
| Editing | Mark Goldblatt | Editor |
| Writing | Terence H. Winkless | Screenplay |
| Camera | John Hora | Director of Photography |
| Production | Daniel H. Blatt | Executive Producer |
| Editing | Joe Dante | Editor |
| Costume & Make-Up | Gigi Williams | Makeup & Hair |
| Costume & Make-Up | Bill Davis | Assistant Makeup Artist |
| Costume & Make-Up | Rob Bottin | Makeup Effects Designer |
| Costume & Make-Up | Rick Baker | Special Effects Makeup Artist |
| Costume & Make-Up | Joe Beserra | Special Effects Makeup Artist |
| Costume & Make-Up | Greg Cannom | Special Effects Makeup Artist |
| Costume & Make-Up | Margaret Prentice | Special Effects Makeup Artist |
| Visual Effects | David Allen | Visual Effects |
| Visual Effects | Peter Kuran | Visual Effects |
| Crew | Conrad E. Palmisano | Utility Stunts |
| Costume & Make-Up | Jack Buehler | Costume Design |
| Production | Rob Bottin | Associate Producer |
| Art | Robert A. Burns | Art Direction |
| Production | Susan Arnold | Casting |
| Production | Judith Weiner | Casting |
| Art | Steven Legler | Set Designer |
| Lighting | Roger Sassen | Best Boy Electric |
| Production | David C. Thomas | Production Manager |
| Directing | Jack Cummins | First Assistant Director |
| Costume & Make-Up | Nancy G. Fox | Wardrobe Supervisor |
| Art | Ivo Cristante | Property Master |
| Camera | Norman Cattell | First Assistant Camera |
| Crew | Roger Creed | Stunt Coordinator |
| Sound | Natale Massara | Conductor |
| Directing | Jeanne Rosenberg | Script Supervisor |
| Sound | Douglas Vaughan | Boom Operator |
| Camera | Kurt Young | Key Grip |
| Costume & Make-Up | Josephine Turner | Wigmaker |
| Camera | Laurel Moore | Still Photographer |
| Lighting | John Murray | Gaffer |
| Crew | Roger George | Special Effects |
