How many movies have Jean Lefebvre and Pierre-Jean Vaillard acted in together?

They have worked on 3 movies together! Their first movie together was Que les hommes sont bêtes (1957) while their highest rated movie together was The Artless One (1972). They have not worked together since Comiques de toujours (Vol. 1 à 4) (2009). They are most known for their comedy films together.