There's never a dull moment at the Hôtel du Libre Echange. Deceptions, hitches and other misunderstandings make a few people mingle whereas, for their own sake, they should not. An example among others: an expert who has come to the hotel for professional reasons had better not meet his wife, who is there to cheat on him with his best friend.
| Directing | Marc Allégret | Director |
| Camera | Roger Hubert | Director of Photography |
| Writing | Marc Allégret | Screenplay |
| Writing | Pierre Prévert | Writer |
| Writing | Jacques Prévert | Story |
| Writing | Georges Feydeau | Theatre Play |
| Writing | Maurice Desvallières | Original Story |
