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Gig Young as Eric Nicholson |
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Anne Baxter as Carlotta Mauridge |
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Patrick O'Neal as Jeremy Siddack |
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Dana Wynter as Julie Klanton |
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Leslie Nielsen as Dr. Neesden |
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Melvyn Douglas as Dr. Lawrence Strelson |
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William Redfield as Richard Lyle |
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Bettye Ackerman as Sara Nicholson |
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Louis Gossett Jr. as Lt. Adam McKay |
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Stacy Harris as Phillip Rootes |
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Thomas Bellin as Det. Cort |
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Greg Mullavey as Man in Funeral Parlor |
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David Fresco as David |
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Connie Hunter as Waitress |
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Syl Lamont as Cab Driver |
| Directing | Norman Lloyd | Director |
| Writing | Robert L. Joseph | Writer |
| Sound | Bernard Herrmann | Original Music Composer |
| Camera | William Margulies | Director of Photography |
| Editing | Douglas Stewart | Editor |
| Art | Alexander A. Mayer | Art Direction |
| Costume & Make-Up | Burton Miller | Costume Design |
| Production | John W. Hyde | Associate Producer |
| Production | Norman Lloyd | Producer |
| Directing | Earl J. Bellamy | Assistant Director |