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Jim McMullan as John Norman |
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Katherine Woodville as Sally Norman |
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James A. Watson, Jr as Cameraman |
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Bara Byrnes as Sylvia Marina |
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Al Checco as Surveillance Salesman |
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Jacqueline Giroux as Barbie |
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Curtis Credel as Reporter |
| Sound | Basil Poledouris | Music |
| Directing | Jeannot Szwarc | Director |
| Writing | Michael Crichton | Writer |
| Crew | Paul Lohmann | Cinematography |
| Production | Paul N. Lazarus III | Producer |
| Directing | Dennis Donnelly | Assistant Director |
