A wannabe surfer parties on the French Riviera while awaiting the perfect wave.

Jean Dujardin
as Brice de Nice

Clovis Cornillac
as Marius de Fréjus

Élodie Bouchez
as Jeanne

Bruno Salomone
as Igor d'Hossegor

Alexandra Lamy
as Chantal, la sirène / Alice de Nice

Delphine Chanéac
as Marjorie

François Chattot
as Bertrand Agostini

Mathias Mlekuz
as Eudes Angellini

Antoine Duléry
as Micky la légende

Lannick Gautry
as Arnaud de Lacanau