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Meredith Baxter as Rena Carter |
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David Hedison as Prof. Roger Edmonds |
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Gale Sondergaard as Hester Black |
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John Carradine as The Hotel Clerk |
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Renne Jarrett as Sherry |
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Keye Luke as The Thief - Joe Sung |
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Kent Smith as Frank Lucas |
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Stuart Whitman as Lt. Marco |
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Milton Parsons as Deputy Coroner |
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Peter Lorre Jr. as Pawnbroker |
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John Abbott as Dr. Reinhart |
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Virgil Frye as Donovan |
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William Sims as Bert |
| Directing | Curtis Harrington | Director |
| Writing | Robert Bloch | Story |
| Writing | Wilford Lloyd Baumes | Story |
| Editing | Stan Ford | Editor |
| Art | Ross Bellah | Art Direction |
| Costume & Make-Up | Ben Lane | Makeup Supervisor |
| Crew | Roy Maples | Special Effects |
| Directing | Robert J. Anderson | Assistant Director |
| Art | Audrey A. Blasdel | Set Decoration |
| Art | John Franco Jr. | Set Decoration |
| Art | Cary Odell | Art Direction |
| Art | Phill Norman | Title Designer |
| Writing | Robert Bloch | Teleplay |
| Production | Douglas S. Cramer | Producer |
| Writing | Douglas S. Cramer | Story |
| Sound | Leonard Rosenman | Original Music Composer |
| Production | Robert J. Anderson | Associate Producer |
| Camera | Charles Rosher Jr. | Director of Photography |
| Production | Sally Powers | Casting |
