Audrey Tautou as Valentine

Bérénice Bejo as Gabrielle

Mélanie Laurent as Mathilde

Jérémie Renier as Henri

Pierre Deladonchamps as Charles

Arieh Worthalter as Jules

Irène Jacob as Mère de Gabrielle

Valérie Stroh as Mère de Mathilde

Philippine Leroy-Beaulieu as Mère de Valentine

Trần Nữ Yên Khê as Narrator (voice)

Lou Lambrecht as Valentine (7 ans)

Mya Essalhi as Valentine (14 ans)

Thibault de Montalembert as Père de Valentine

Xavier de Guillebon as Père de Jules

Louka Meliava as Le jeune homme

Anamaria Vartolomei as Margaux (17-19 ans)

Eliott Margueron as Nicolas (17 ans)