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Mark Lindsay Chapman as Richard Armour |
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Susan Blakely as Layla |
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Lisa Blount as Cindy |
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Brion James as Alien Leader |
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Earl Boen as Sid |
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Geoffrey Lewis as Prof. Alan Jeffries |
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Catherine Mary Stewart as Angela Taylor |
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Nicole Eggert as Elyse Jeffries |
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Paul Brinegar as Pops |
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Barry Pearl as Eddie |
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Barbara Townsend as Celia Evans |
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Channing Chase as Susan Weiss |
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Glen Vernon as Henry Evans |
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Richard 'Rick' Partlow as FBI Agent #2 |
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Biff Yeager as FBI Agent #1 |
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Toni Attell as Patti |
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James R. Parkes as Policeman |
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Rodger LaRue as Man in Coat |
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Stanley Bennett Clay as Cammie |
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Greg Collins as Policeman |
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Lola Fisher as Nervous Lady |
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Robert Beaulieu as Nervous Man |
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Al Pugliese as Agent #2 |
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Martin Clark as Coroner |
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John Durbin as Trucker |
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Jerry Boyd as Agent #1 |
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Helen Anderson as Female Airline Agent |
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William Jackson as Airline Supervisor |
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Gary Burden as Bum |
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Julie Harris as Girl |
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Walter G. Zeri as Agent |
| Directing | Michael Chapman | Director |
| Writing | Bruce A. Taylor | Writer |
| Writing | Roderick Taylor | Writer |
| Production | Alex Beaton | Supervising Producer |
| Production | Robin Buxton | Associate Producer |
| Production | Bruce A. Taylor | Associate Producer |
| Production | Roderick Taylor | Executive Producer |
| Sound | Udi Harpaz | Original Music Composer |
| Sound | Sylvester Levay | Original Music Composer |
| Editing | Frank Mazzola | Editor |
| Production | Donald Paul Pemrick | Casting |
| Art | Kirk Axtell | Art Direction |
| Art | Tom Pedigo | Set Decoration |
| Production | Larry Powell | Unit Production Manager |
| Camera | Paul Goldsmith | Director of Photography |
| Crew | Bob Herron | Stunts |
| Directing | Stan Zabka | First Assistant Director |