| Jean Dujardin | Brice Agostini |
| Clovis Cornillac | Marius Lacaille |
| Élodie Bouchez | Jeanne |
| Bruno Salomone | Igor d'Hossegor |
| Alexandra Lamy | Chantal la Sirène/Alice de Nice |
| François Chattot | Monsieur |
| Mathias Mlekuz | Eudes |
| Antoine Duléry | Micky |
An obnoxious man and his dimwitted friend enter a surfing competition.
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