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Anne Heywood as Evelyn Wyckoff |
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Donald Pleasence as Dr. Steiner |
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Robert Vaughn as Dr. Neal |
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Earl Holliman as Ed Eckles |
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Carolyn Jones as Beth |
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Ronee Blakley as Betsy |
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Dorothy Malone as Mildred |
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Doris Roberts as Marie |
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John Lafayette as Rafe Collins |
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Jocelyn Brando as Mrs. Hemmings |
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R.G. Armstrong as Mr. Hemmings |
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Dana Elcar as Havermeyer |
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J. Patrick McNamara as Chest Rollins |
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Gary Prendergast as Marlon |
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Rip Clark as Henry |
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Tony O'Dell as Student |
| Directing | Marvin J. Chomsky | Director |
| Writing | William Inge | Novel |
| Writing | Polly Platt | Screenplay |
| Camera | Álex Phillips Jr. | Director of Photography |
| Art | James D. Bissell | Art Direction |
| Editing | Rita Roland | Editor |
| Production | Michael Lee Gradison | Executive Producer |
| Production | Robert S. Lecky | Associate Producer |
| Production | Raymond Stross | Producer |
| Sound | Ernest Gold | Original Music Composer |
| Production | Herbert Simon | Executive Producer |
| Production | Victor G. Lands | Executive Producer |
| Production | Hank McCann | Casting |
| Costume & Make-Up | Tom Rasmussen | Costume Design |
| Art | Roy Stannard | Set Decoration |
| Directing | Michael Kusley | Assistant Director |
| Costume & Make-Up | Mario Di Salvio | Makeup Artist |
| Directing | Kate Tilley | Assistant Director |
| Costume & Make-Up | Dino Ganziano | Hairstylist |
