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Tony Curtis as Chester Masterson |
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Sylvia Kristel as Brett Devereaux |
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David Huffman as Christopher Ward |
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Herschel Bernardi as Nick Ravenna |
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Gayle Hunnicutt as Diana Masterton |
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William Daniels as Henry Burns |
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Deidre Hall as Barbara Sanderson |
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Roddy McDowall as Derek Kenyon |
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Murray Matheson as Sir Douglas Devereaux |
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Polly Bergen as Jo Burns |
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Lee Grant as Evalyna |
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Stefan Gierasch as Dr. Sidney Gelson |
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Michael Anderson Jr. as |
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Peter MacLean as |
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Milton Selzer as |
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Ron Kelly as |
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Gregory Rozakis as |
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Ed Ness as |
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Maggie Jean Smith as |
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Barbara Bingham as |
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Paula Jones as |
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Victoria Peters as |
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Paul Smith as |
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Sandra Bernadou as |
| Directing | Michael O'Herlihy | Director |
| Writing | Robert J. Shaw | Story |
| Sound | Morton Stevens | Music |
| Art | Cheryal Kearney | Set Decoration |
| Art | Ray Storey | Art Direction |
| Writing | Robert Hamner | Teleplay |
| Writing | Jud Kinberg | Teleplay |
| Writing | Douglas Heyes | Story |
| Production | Robert Hamner | Executive Producer |
| Writing | Lois Wyse | Novel |
| Production | Robert D. Wood | Executive Producer |
| Costume & Make-Up | Betsy Jones | Costume Design |
| Production | Alan Godfrey | Producer |
| Camera | Robert L. Morrison | Director of Photography |