A story about two couples, longtime friends in which both husbands engage in long-term affairs and, as the title says, ultimately one remains with his wife and one makes a new life with another woman.
| Actor | Role |
|---|---|
 Daniel AuteuilDaniel | Daniel |
 Miou-MiouAnne-Marie | Anne-Marie |
 Charlotte GainsbourgJudith | Judith |
 Pierre ArditiAlain | Alain |
 Laure DuthilleulIsabelle | Isabelle |
 Nathalie BayeFanny | Fanny |
 Aïssa MaïgaFarida | Farida |
 Noémie LvovskyNicole | Nicole |
| NNicolas LeboviciJulien | Julien |
| NNicolas ChoyéCédric | Cédric |
 Laurent SpielvogelHubert | Hubert |
| MMélanie SitbonEmilie | Emilie |
 Michaël YounMichaël Youn | Michaël Youn |
 Marie-Christine Adamune invitée au cocktail | une invitée au cocktail |
 Jean-Claude Bolle-Reddatl'agent immobilier | l'agent immobilier |
| JJessica GoldmanValérie | Valérie |
 Sylvie Herbertla mère de Valérie | la mère de Valérie |
 Magalie MadisonStéphanie | Stéphanie |