How many movies have Raymond Lewin and Thierry Lhermitte collaborated on?

They have worked on 1 movie together! Their first movie together was Si vous n'aimez pas ça, n'en dégoûtez pas les autres (1978) and was their highest rated movie together. They have not worked together since Si vous n'aimez pas ça, n'en dégoûtez pas les autres (1978).