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John Vernon as Jonathan Stryker |
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Samantha Eggar as Samantha Sherwood |
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Linda Thorson as Brooke Parsons |
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Anne Ditchburn as Laurian Summers |
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Lynne Griffin as Patti O'Connor |
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Sandee Currie as Tara DeMillo |
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Lesleh Donaldson as Christie Burns |
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Deborah Burgess as Amanda Teuther |
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Michael Wincott as Matthew |
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Maury Chaykin as Monty |
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Joann McIntyre as Secretary |
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Calvin Butler as Dr. Pendleton |
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Kate Lynch as Receptionist |
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Booth Savage as Amanda's Boyfriend |
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William Marshall as Attendant |
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James Kidnie as Attendant |
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Daisy White as Roommate |
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Shannon Tweed as Stand In / Body Double (uncredited) |
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Richie Pierce as Gas Station Attendant |
| Writing | William Gray | Screenplay |
| Writing | Robert Guza Jr. | Story |
| Directing | Richard Ciupka | Director |
| Production | Peter R. Simpson | Producer |
| Crew | Colin Chilvers | Special Effects |
| Editing | Michael MacLaverty | Editor |
| Production | Richard Simpson | Executive Producer |
| Sound | Paul Zaza | Original Music Composer |
| Art | Roy Forge Smith | Production Design |
| Camera | Robert Paynter | Director of Photography |
| Costume & Make-Up | Greg Cannom | Prosthetics |
| Costume & Make-Up | Christine A. Hart | Assistant Makeup Artist |
| Production | Gerry Arbeid | Production Manager |
| Directing | Jerome McCann | Third Assistant Director |
| Costume & Make-Up | Jenny Arbour | Hairstylist |
| Costume & Make-Up | Shonagh Jabour | Makeup Artist |
| Directing | Karen Pike | Second Assistant Director |
| Directing | John Pace | Third Assistant Director |
| Directing | Donato Baldassarra | Second Assistant Director |
| Costume & Make-Up | Suzanne Benoit | Assistant Makeup Artist |
| Directing | Tony Thatcher | First Assistant Director |
| Production | Ilana Frank | Production Manager |
| Crew | Shannon Tweed | Stunt Double |
| Art | Dan Perri | Title Designer |
