Stéphane Aubier as Coboy / Max Briquenet / Monsieur Ernotte (voice)

Vincent Patar as Cheval (voice)

Bruce Ellison as Indien (voice)

Jeanne Balibar as Madame Longrée (voice)

Bouli Lanners as Postman / Simon / Cow (voice)

Benoît Poelvoorde as Steven (voice)

Nicolas Buysse as Mouton / Jean-Paul (voice)

François De Brigode as Sports Journalist (voice)

Véronique Dumont as Janine (voice)

Christine Grulois as Cow / Student (voice)

Frédéric Jannin as Gendarme / Gérard / Brick Delivery Man (voice)

Christelle Mahy as Poulet (voice)

Eric Muller as Rocky Gaufres / Choir Student (voice)

François Neycken as Cochon (voice)

Pipou as Michel's Laughter (voice)

Franco Piscopo as Ours (voice)

David Ricci as Monkey / Michel (voice)

Ben Tesseur as Scientific 1 (voice)

Alexandre von Sivers as Scientific 2 (voice)