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Liv Ullmann as Ann Stanley |
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Edward Albert as Peter Latham |
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Gene Kelly as Billy Boylan |
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Binnie Barnes as Maud Ericson |
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Deborah Raffin as Trina Stanley |
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Billy Green Bush as J.D. Rogers |
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Nancy Walker as Mrs. Margie Margolin |
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Don Porter as Mr. Latham |
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Rosemary Murphy as Mrs. Latham |
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Natalie Schafer as Mrs. Adams |
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Sam Chew Jr. as Arthur Forbes |
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Claudia Jennings as Gabriella |
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Brooke Palance as Polly |
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Eugene Jackson as Party Dancer (uncredited) |
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Andrea True as Woman (uncredited) |
| Editing | Abe Lincoln Jr. | Assistant Editor |
| Costume & Make-Up | Jack Freeman | Makeup Artist |
| Art | Joe LaBella | Property Master |
| Costume & Make-Up | Edna Taylor | Costumer |
| Production | William J. O'Sullivan | Production Manager |
| Editing | Ralph James Hall | Assistant Editor |
| Costume & Make-Up | Virginia Darcy | Hairstylist |
| Costume & Make-Up | Guy C. Verhille | Costume Supervisor |
| Costume & Make-Up | Tony Lloyd | Makeup Artist |
| Costume & Make-Up | Jan Van Uchelen | Hairdresser |
| Production | Yannis Petropoulakis | Production Manager |
| Costume & Make-Up | Jean Louis | Costume Design |
| Production | Mike Frankovich Jr. | Unit Production Manager |
| Writing | Jean-Pierre Grédy | Writer |
| Writing | Pierre Barillet | Writer |
| Writing | Jay Presson Allen | Writer |
| Writing | Leonard Gershe | Screenplay |
| Directing | Milton Katselas | Director |
| Crew | Conrad E. Palmisano | Stunt Double |
| Camera | Arnold L. Rich | Camera Operator |
| Art | Maury Nemoy | Title Designer |
| Directing | Dick Moder | Assistant Director |
| Sound | Ralph James Hall | Music Editor |
| Sound | Arthur Piantadosi | Sound Recordist |
| Sound | Al Overton Sr. | Sound Mixer |
| Directing | David Hawks | Assistant Director |
| Sound | Michel Legrand | Original Music Composer |
| Camera | Charles Lang | Director of Photography |
| Editing | David E. Blewitt | Editor |
| Production | M.J. Frankovich | Producer |
| Art | Robert Clatworthy | Production Design |
| Art | George James Hopkins | Set Decoration |
| Directing | Julie Pitkanen | Script Supervisor |
