With his family away for their annual summer holiday, a publishing executive decides to live a bachelor's life. The beautiful but ditzy blonde from the apartment above catches his eye and they soon start spending time together—maybe a little too much time!
| Directing | Billy Wilder | Director |
| Writing | George Axelrod | Screenplay |
| Production | Charles K. Feldman | Producer |
| Camera | Milton Krasner | Director of Photography |
| Production | Billy Wilder | Producer |
| Writing | Billy Wilder | Screenplay |
| Art | Walter M. Scott | Set Decoration |
| Production | Doane Harrison | Associate Producer |
| Editing | Hugh S. Fowler | Editor |
| Costume & Make-Up | Travilla | Costume Design |
| Sound | Alfred Newman | Original Music Composer |
| Art | Lyle R. Wheeler | Art Direction |
| Art | George W. Davis | Art Direction |
| Art | Stuart A. Reiss | Set Decoration |
| Crew | Ray Kellogg | Special Effects |
| Art | Saul Bass | Title Designer |
| Sound | Edward B. Powell | Orchestrator |
| Costume & Make-Up | Ben Nye | Makeup Artist |
| Costume & Make-Up | Helen Turpin | Hairstylist |
| Sound | E. Clayton Ward | Sound |
| Sound | Harry M. Leonard | Sound |
| Directing | Joseph E. Rickards | Assistant Director |
| Sound | Jule Styne | Songs |
| Writing | Sammy Cahn | Lyricist |
