Lovestruck conservatory student Ariane pretends to be just as much a cosmopolitan lover as the worldly mature Frank Flannagan hoping that l’amour will take hold.
| Art | Alexandre Trauner | Art Direction |
| Costume & Make-Up | Jay A. Morley Jr. | Costume Design |
| Directing | Billy Wilder | Director |
| Camera | William C. Mellor | Director of Photography |
| Writing | Billy Wilder | Screenplay |
| Costume & Make-Up | Hubert de Givenchy | Costume Design |
| Camera | Harry L. Underwood | Camera Operator |
| Writing | Claude Anet | Novel |
| Production | Billy Wilder | Producer |
| Editing | Léonide Azar | Editor |
| Writing | I. A. L. Diamond | Screenplay |
| Art | Alexandre Trauner | Production Design |
| Production | William Schorr | Associate Producer |
| Production | Doane Harrison | Associate Producer |
| Directing | Paul Feyder | Assistant Director |
| Sound | Joseph de Bretagne | Sound Recordist |
| Sound | Del Harris | Sound Editor |
| Sound | Robert Tracy | Music Editor |
| Production | Lee Katz | Associate Producer |
| Editing | Chester W. Schaeffer | Editor |
| Art | Oliver Emert | Set Decoration |
| Costume & Make-Up | John G. Holden | Makeup Artist |
| Production | Edward Dodds | Production Manager |
| Directing | Paul Feyder | First Assistant Director |
| Directing | Noël Howard | Second Unit Director |
| Directing | Alain Boudet | Second Assistant Director |
| Directing | Ray Taylor Jr. | Assistant Director |
| Art | Maurice Barnathan | Set Dresser |
| Art | Auguste Capelier | Assistant Art Director |
| Directing | Lucie Lichtig | Script Supervisor |
| Directing | Winifred Gibson | Script Supervisor |
| Sound | Albert Sendrey | Orchestrator |
| Production | Christian Ferry | Location Manager |
