Benoît Poelvoorde as Benoît Bonzini, alias NOT

Albert Dupontel as Jean-Pierre Bonzini

Areski Belkacem as Father - René Bonzini

Brigitte Fontaine as Mother - Marie-Annick Bonzini

Gérard Depardieu as Juvénal

Yolande Moreau as La mère de la punkette

Chloé Mons as La punkette

Bouli Lanners as Le Vigile

Serge Larivière as Le directeur du "Grand Litier"

Stéphanie Pillonca as L'ex-femme de Jean-Pierre

Miss Ming as L'employée sourde et muette

Didier Wampas as Self - Chanteur des Wampas

Noël Godin as Le marié

Denis Barthe as Le barman

Vincent Tavier as Le client cynique du "Grand Litier"

Alain Magnan as Le père de la mariée