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Charles Napier as Det. Ian McLemore |
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Ann Turkel as Carla Sandbourn |
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Bo Svenson as Captain Robertson |
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Ron Glass as Jerry Merris |
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Julie Newmar as Lady Elaine Wentworth |
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James Booth as Dr. Forsyth |
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Norman Burton as General Randolph |
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Jesse Dabson as Jason |
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Elisabeth Brooks as Mrs. Ridley |
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Anthony Eisley as Dr. Rogers |
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Peter Palmer as Pike |
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Fox Harris as Professor Whately |
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William Fair as Michaelson |
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Dawn Wildsmith as Janice |
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Susan Stokey as Susan |
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Sandy Brooke as Woman in House |
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Rachel Howard as Marylyn |
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Drew Godderis as Blue Coat |
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Jimmy Williams as Workman #1 |
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Fred Olen Ray as Workman #2 |
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Bob Ivy as Hanson |
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Joe Praml as Nate |
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Richard Hench as Paramedic #2 |
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Michael Forest as Hawkins |
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Tony Montero as Yamotta |
| Directing | Fred Olen Ray | Director |
| Camera | Gary Graver | Director of Photography |
| Production | Alan Amiel | Producer |
| Sound | Robert O. Ragland | Original Music Composer |
| Writing | T.L. Lankford | Writer |
| Writing | Fred Olen Ray | Writer |
| Crew | Steve Neill | Makeup Effects |
| Art | Corey Kaplan | Art Direction |
| Editing | Bruce Stubblefield | Editor |
| Editing | Natan Zahavi | Editor |
| Costume & Make-Up | Steve Neill | Special Effects Makeup Artist |
| Crew | T. Dow Albon | Special Effects Technician |
| Visual Effects | Crit Killen | Creature Design |
| Visual Effects | Steve Patino | Creature Effects Technical Director |
| Crew | Gregory Rae Stone | Special Effects Technician |
| Crew | Bob Ivy | Stunt Double |
| Visual Effects | Michael F. Hoover | Visual Effects |
| Crew | John Stewart | Stunt Coordinator |
