The story of a young man's decision to leave the home of his parents for the bachelor pad of his older brother who leads a swinging '60s lifestyle.
| Directing | Bud Yorkin | Director |
| Writing | Norman Lear | Screenplay |
| Writing | Neil Simon | Theatre Play |
| Editing | Frank P. Keller | Editor |
| Production | Bud Yorkin | Producer |
| Art | Roland Anderson | Art Direction |
| Art | Hal Pereira | Art Direction |
| Art | James W. Payne | Set Decoration |
| Art | Sam Comer | Set Decoration |
| Camera | William H. Daniels | Director of Photography |
| Production | Norman Lear | Producer |
| Production | Howard W. Koch | Executive Producer |
| Costume & Make-Up | Wally Westmore | Makeup Artist |
| Directing | Claire Behnke | Script Supervisor |
| Camera | Bill Johnson | Camera Operator |
| Sound | Nelson Riddle | Original Music Composer |
| Costume & Make-Up | Edith Head | Costume Design |
| Sound | John R. Carter | Sound Recordist |
