How many movies have Jean Barney and Laurent Vassilian collaborated on?

They have worked on 4 movies together! Their first movie together was L'année des guignols - Ras le bol les guignols ! (2000) and was their highest rated movie together. They have not worked together since L'année des guignols - Qu'est-ce t'as, t'es pas content ? (2006). They are most known for their comedy films together.