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George Segal as Brooks Wilson |
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Eva Marie Saint as Selma Wilson |
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Sterling Hayden as Lepridon |
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Keenan Wynn as Edward |
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Nancie Phillips as Nelly |
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Janis Young as Grace |
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David Doyle as Will |
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Paul Sparer as Marve |
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Andrew Duncan as Willy |
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Sherry Lansing as Susan |
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Roland Winters as Plommie |
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Edgar Stehli as Mr. Kramm |
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Calvin Holt as Danny |
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Mina Kolb as Diane |
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Diana Douglas as Mrs. Shavelson |
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David Ford as Al |
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James Manis as Charles |
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Mart Hulswit as Ted |
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John Fink as Brad |
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William Duffy as Jay |
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Irving Selbst as Benny |
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Martin Harvey Friedberg as Roger |
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Lorraine Cullen as Lizzie |
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Cheryl Bucher as Hannah |
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Ed Crowley as Mr. Shavelson |
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Roy Scheider as Skip |
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Sab Shimono as Byron |
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Eileen O'Neill as Cindy |
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Diane Davies as Barbie |
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Robert Paget as Party Guest (uncredited) |
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John Reidy as Flower Delivery Man (uncredited) |
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Betsy von Furstenberg as Grace's Aunt (uncredited) |
| Directing | Irvin Kershner | Director |
| Directing | Edward Folger | Assistant Director |
| Camera | Michael Chapman | Camera Operator |
| Sound | Nathan Boxer | Sound |
| Sound | Bernardo Segall | Conductor |
| Costume & Make-Up | Joe Cranzano | Makeup Artist |
| Sound | Newton Avrutis | Sound |
| Production | Stanley Neufeld | Executive In Charge Of Production |
| Directing | Allan Wertheim | Second Assistant Director |
| Directing | Ted Zachary | Assistant Director |
| Art | John Godfrey | Set Dresser |
| Writing | Don Devlin | Screenplay |
| Writing | J.M. Ryan | Novel |
| Sound | Bernardo Segall | Original Music Composer |
| Production | Don Devlin | Producer |
| Camera | Gordon Willis | Director of Photography |
| Production | Raymond Wagner | Executive Producer |
| Costume & Make-Up | Albert Wolsky | Costume Design |
| Art | Walter Scott Herndon | Production Design |
| Editing | Robert Lawrence | Editor |
