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