La Beauté du diable
Le professeur Faust, démuni devant la vieillesse, fait un pacte avec le Diable qui lui rendra sa jeunesse contre son âme.
Starring Michel Simon, Gérard Philipe, Nicole Besnard, Simone Valère, Carlo Ninchi, Raymond Cordy, Paolo Stoppa, Tullio Carminati, Gaston Modot, Lorena Berg
It's a comedy and drama movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from France.