| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anna Hill Johnstone | Crew | Costume & Make-Up | Wardrobe Designer |
Carl Lerner | Crew | Editing | Editor |
David L. Quaid | Crew | Camera | Director of Photography |
Ed Callaghan | Crew | Costume & Make-Up | Hairstylist |
 Eleanor Perry | Crew | Writing | Screenplay |
Florence Nerlinger | Crew | Production | Production Assistant |
 Frank Perry | Crew | Directing | Director, Producer |
Jack Fitzstephens | Crew | Sound | Sound Editor |
Jack Hayes | Crew | Sound | Orchestrator, Conductor |
 Joseph Manduke | Crew | Production | Production Manager, Executive In Charge Of Production |
Leo Shuken | Crew | Sound | Orchestrator |
 Marvin Hamlisch | Crew | Sound | Original Music Composer |
Michael Hertzberg | Crew | Directing | Assistant Director |
Michael Nebbia | Crew | Camera | Additional Photography |
Peter Dohanos | Crew | Art | Art Direction |
 Sam Spiegel | Crew | Production | Executive Producer |
 Sidney Katz | Crew | Editing | Editor |
Ted Zachary | Crew | Directing | Second Assistant Director |
Willard W. Goodman | Crew | Sound | Sound Mixer |
Andrew Drapkin | Crew | Editing | Colorist |
Roger H. Lewis | Crew | Production | Producer |
Thom Conroy | Crew | Crew | Dialogue Coach |
 John Cheever | Crew | Writing | Story |
Thomas Wright | Crew | Art | Property Master |
Stanley Cappiello | Crew | Crew | Scenic Artist |
Pat Somerset | Crew | Editing | Editor |
Clay Lambert | Crew | Costume & Make-Up | Makeup Artist |
Lorenzo Porricelli | Crew | Crew | Driver |
Alan Stetson | Crew | Camera | Key Grip |
John Jiras | Crew | Costume & Make-Up | Makeup Artist |
Richard Falk | Crew | Lighting | Gaffer |
Barbara Robinson | Crew | Directing | Script Supervisor |
Felix Trimboli | Crew | Camera | Second Unit Director of Photography |
Enrico A. Cortese | Crew | Costume & Make-Up | Makeup Artist |
 Bernie Hamilton | Cast | Actor | Chauffeur |
Bill Fiore | Cast | Actor | Howie Hunsacker |
 Burt Lancaster | Cast | Actor | Ned Merrill |
 Charles Drake | Cast | Actor | Howard Graham |
 Cornelia Otis Skinner | Cast | Actress | Mrs. Hammar |
 David Garfield | Cast | Actor | Ticket Seller |
Dennis McMullen | Cast | Actor | Lifeguard (uncredited) |
 Diana Muldaur | Cast | Actress | Cynthia |
 Diana Van der Vlis | Cast | Actress | Helen Westerhazy |
 Dolph Sweet | Cast | Actor | Henry Biswanger |
Eleanor Perry | Cast | Actress | Woman at Pool Party (uncredited) |
Frank Perry | Cast | Actor | Man at Pool Party (uncredited) |
 House Jameson | Cast | Actor | Mr. Halloran |
Hugh Franklin | Cast | Denny (uncredited) | |
 Jan Miner | Cast | Actress | Lillian Hunsacker |
 Janet Landgard | Cast | Actress | Julie Ann Hooper |
 Janice Rule | Cast | Actress | Shirley Abbott |
 Joan Rivers | Cast | Actress | Joan |
John Gerstad | Cast | Actor | Bunkers' Pool Party Guest (uncredited) |
 Kim Hunter | Cast | Actress | Betty Graham |
 Lisa Daniels | Cast | Actress | Matron at the Biswangers' Pool (uncredited) |
 Louise Troy | Cast | Actress | Grace Biswanger |
 Marge Champion | Cast | Actress | Peggy Forsburgh |
Nancy Cushman | Cast | Actress | Mrs. Halloran |
 Philip Bruns | Cast | Actor | Biswangers' Pool Party Guest (uncredited) |
Richard McMurray | Cast | Actor | Stu Forsburgh |
 Tony Bickley | Cast | Actor | Donald Westerhazy |
 Rose Gregorio | Cast | Actress | Sylvia Finney |
John Cheever | Cast | Actor | Man at Pool Party (uncredited) |
Michael Kearney | Cast | Kevin Gilmartin | |
Jimmy Joyce | Cast | Actor | Jack Finney |
Keri Oleson | Cast | Vernon | |
Alva Celauro | Cast | Muffie (uncredited) | |
| Person | Type | Job | Role(s) |
