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Keir Dullea as David Clemens |
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Janet Margolin as Lisa Brandt |
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Howard Da Silva as Dr. Swinford |
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Neva Patterson as Mrs. Clemens |
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Clifton James as John |
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Richard McMurray as Mr. Stewart Clemens |
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Nancy Nutter as Maureen |
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Mathew Anden as Simon |
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Jaime Sánchez as Carlos |
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Coni Hudak as Kate |
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Karen Lynn Gorney as Josette |
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Janet Lee Parker as Sandra |
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Frank Perry as Newsdealer (uncredited) |
| Directing | Frank Perry | Director |
| Writing | Eleanor Perry | Screenplay |
| Production | Herbert Nagle | Production Assistant |
| Directing | Betty Todd | Script Supervisor |
| Camera | Lawrence Williams Jr. | Assistant Camera |
| Production | Lee R. Bobker | Associate Producer |
| Sound | Mark Lawrence | Original Music Composer |
| Production | William Bayer | Production Assistant |
| Production | Edith Hamlin | Casting |
| Directing | Tony LaMarca | Assistant Director |
| Art | Ted Trinkaus | Title Designer |
| Camera | Bernard Hirschenson | Camera Operator |
| Camera | Leonard Hirschfield | Director of Photography |
| Art | Paul M. Heller | Art Direction |
| Art | Gene Callahan | Set Decoration |
| Production | Steve Kesten | Production Manager |
| Editing | Irving Oshman | Editor |
| Lighting | Max Kurz | Gaffer |
| Production | Paul M. Heller | Producer |
| Costume & Make-Up | Anna Hill Johnstone | Costume Design |
| Camera | Alan Stetson | Key Grip |
| Writing | Theodore Isaac Rubin | Book |
