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James Franciscus as Clay Howard |
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Lee Grant as Marjorie Howard |
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Scott Marlowe as Matt Russell |
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Andrew Prine as Fess Beany / Noel |
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Tisha Sterling as Annie Fletcher / Naillil |
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Leslie Nielsen as Sheriff Henshaw |
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Morris Buchanan as Mr. Hale |
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Elisha Cook Jr. as |
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John Kellogg as Mr. Fletcher |
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Victor Izay as Jeff Pardee |
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Raymond Mayo as Joe Landers |
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Russell Thorson as Dr. Sanders |
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Nancy Valentine as May |
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Cliff Carnell as Deputy Spencer |
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Virginia Vincent as Mrs. Crawford |
| Directing | Ted Post | Director |
| Writing | Jerry Sohl | Novel |
| Writing | Everett Chambers | Teleplay |
| Writing | Robert Specht | Teleplay |
| Sound | Milton Lustig | Music Supervisor |
| Sound | Bernardo Segall | Original Music Composer |
| Production | Everett Chambers | Producer |
| Editing | Michael Kahn | Editor |
| Art | Howard Hollander | Art Direction |
| Art | William Stevens | Set Decoration |
| Costume & Make-Up | Ray Harp | Costume Design |
| Costume & Make-Up | Emile Santiago | Costume Design |
| Costume & Make-Up | Armand Delmar | Makeup Artist |
| Crew | Houseley Stevenson Jr. | Post Production Supervisor |
| Directing | Floyd Joyer | Assistant Director |
| Sound | Stephen Bass | Production Sound Mixer |
| Sound | James J. Klinger | Sound Effects |
| Art | Phill Norman | Title Designer |
