Poison
La poison (original)
Starring Michel Simon, Jean Debucourt, Jacques Varennes, Germaine Reuver, Marcelle Arnold, Georges Bever, Nicolas Amato, Jeanne Fusier-Gir, Pauline Carton, Albert Duvaleix
It's a comedy movie, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.