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Don Murray as Charlie Samson |
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E.G. Marshall as Walter |
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Jack Warden as The Bachelor [Eddie Watkins] |
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Philip Abbott as The Groom [Arnold Craig] |
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Larry Blyden as Ken [Kenneth] |
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Patricia Smith as Helen Samson |
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Carolyn Jones as The Existentialist |
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Nancy Marchand as The Sister-in-law [Julie] |
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Patricia Smith as The Wife [Helen Samson] |
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Karen Norris as Hostess |
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Barbara Ames as Girl on stoop |
| Directing | Delbert Mann | Director |
| Writing | Paddy Chayefsky | Screenplay |
| Writing | Paddy Chayefsky | Story |
| Production | Harold Hecht | Producer |
| Sound | C. Bakaleinikoff | Conductor |
| Directing | Dick Mayberry | Assistant Director |
| Sound | Lloyd Young | Music Editor |
| Sound | John K. Kean | Sound Recordist |
| Art | Edward S. Haworth | Production Design |
| Sound | Robert G. Carlisle | Sound Effects Editor |
| Editing | William B. Murphy | Editor |
| Costume & Make-Up | Robert J. Schiffer | Makeup Artist |
| Costume & Make-Up | Mary Grant | Costume Design |
| Art | Edward G. Boyle | Set Decoration |
| Production | Paddy Chayefsky | Associate Producer |
| Costume & Make-Up | Robert J. Schiffer | Makeup & Hair |
| Sound | Paul Mertz | Original Music Composer |
| Sound | Alex North | Original Music Composer |
| Camera | Joseph LaShelle | Director of Photography |
