The Devil by the Tail
Le diable par la queue (original)
Starring Yves Montand, Madeleine Renaud, Maria Schell, Jean Rochefort, Jean-Pierre Marielle, Marthe Keller, Claude Piéplu, Xavier Gélin, Jacques Balutin, Pierre Tornade
It's a comedy movie, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.