| Person | Type | Job | Role(s) |
|---|---|---|---|
 Charles Grenzbach | Crew | Sound | Sound Recordist |
Frank Bracht | Crew | Editing | Editor |
 Gene Saks | Crew | Directing | Director |
Hal Pereira | Crew | Art | Art Direction |
Hank Moonjean | Crew | Directing | Assistant Director |
Harry Ray | Crew | Costume & Make-Up | Makeup Artist |
 Howard W. Koch | Crew | Production | Producer |
Jack Bear | Crew | Costume & Make-Up | Costume Designer |
Jack Petty | Crew | Costume & Make-Up | Makeup Artist |
John A. Anderson | Crew | Costume & Make-Up | Wardrobe Supervisor |
John R. Carter | Crew | Sound | Sound Recordist |
Neal Hefti | Crew | Sound | Original Music Composer |
 Neil Simon | Crew | Writing | Screenplay, Theatre Play |
Nellie Manley | Crew | Costume & Make-Up | Hair Supervisor |
Paul K. Lerpae | Crew | Visual Effects | Visual Effects |
Ray Moyer | Crew | Art | Set Decoration |
Robert B. Hauser | Crew | Camera | Director of Photography |
Robert R. Benton | Crew | Art | Set Decoration |
 Wally Westmore | Crew | Costume & Make-Up | Makeup Supervisor |
Walter H. Tyler | Crew | Art | Art Direction |
William Davidson | Crew | Production | Unit Production Manager |
Luanna S. Poole | Crew | Directing | Script Supervisor |
 Angelique Pettyjohn | Cast | Actress | Go-go Dancer (uncredited) |
 Billie Bird | Cast | Actress | Chambermaid (uncredited) |
 Carole Shelley | Cast | Actress | Gwendolyn |
 David Sheiner | Cast | Actor | Roy |
 Herb Edelman | Cast | Actor | Murray |
 Iris Adrian | Cast | Actress | Waitress |
 Jack Lemmon | Cast | Actor | Felix Ungar |
 John Fiedler | Cast | Actor | Vinnie |
Larry Haines | Cast | 'Speed' | |
 Walter Matthau | Cast | Actor | Oscar Madison |
 Monica Evans | Cast | Actress | Cecily |
 Heywood Hale Broun | Cast | Actor | Sports Journalist (uncredited) |
| Person | Type | Job | Role(s) |
