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Ed Begley Jr. as Frank |
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E.J. André as Mr. McCauley |
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Ann Doran as Mrs. McCauley |
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Christina Hart as Helen |
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Orin Cannon as Old Farmer |
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Jean Le Bouvier as Mrs. Cantrell |
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Dick McGarvin as Mr. Dorset |
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Karen Hurley as Mr. Dorset |
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Patrick Macnee as Dr. Gheria |
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Anjanette Comer as Alexis |
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Elisha Cook Jr. as Karel |
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Horst Buchholz as Michael |
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Joan Hackett as Mother |
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Lee Montgomery as Bobby |
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Michael Talbott as Vinnie McCauley (uncredited) |
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Gail Bowman as Maria (uncredited) |
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John Dehner as Narrator (voice) (uncredited) |
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Joan Lemmo as Eva (uncredited) |
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Jeff Reese as Young Man (uncredited) |
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Lars Green as Demonic Bobby (uncredited) |
| Writing | Richard Matheson | Writer |
| Directing | Dan Curtis | Director |
| Editing | Dennis Virkler | Editor |
| Production | Dan Curtis | Producer |
| Costume & Make-Up | Frank Westmore | Makeup Artist |
| Writing | Jack Finney | Original Story |
| Writing | Richard Matheson | Original Story |
| Art | Trevor Williams | Art Direction |
| Art | Dennis W. Peeples | Set Decoration |
| Production | Robert Singer | Producer |
| Camera | Ric Waite | Director of Photography |
| Sound | Bob Cobert | Original Music Composer |
| Camera | Paul Lohmann | Additional Photography |
| Production | Bill Owens | Production Manager |
| Directing | Fred Giles | First Assistant Director |
| Production | Ken Sheppard | Location Manager |
| Directing | June Samson | Script Supervisor |
