Ducoboo is a very inventive dunce and joker, he is very resourceful at finding new ways to copy from his neighbor, to cheat or to defy the teacher's authority.
Élie Semoun
as Gustave Latouche / Ghislaine Latouche
Joséphine de Meaux
as Ghislaine Rateau
Vincent Claude
as Ducobu
Juliette Chappey
as Léonie Gratin
Héléna Noguerra
as Adeline Gratin
Bruno Podalydès
as Hervé Ducobu
Daphné Tarka
as Karine
Vincent N'Diaye
as Elvis
Vincent Scognamillo
as Molas
Jean-François Gallotte
as M. Busque
Edgar Givry
as le directeur de St-Potache
Jean-Paul Bonnaire
as Kitrich
