Le Million
Le million (original)
Starring René Lefèvre, Annabella, Jean-Louis Allibert, Paul Ollivier, Vanda Gréville, Constantin Siroesco, Raymond Cordy, Odette Talazac, Pedro Elviro, Jane Pierson
It's a comedy and music 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 Germany.