Vulkan im Blut
Le sang à la tête (original)
Starring Jean Gabin, Renée Faure, Paul Frankeur, Monique Mélinand, José Quaglio, Georgette Anys, Florelle, Paul Oettly, Henri Crémieux, Léonce Corne
It's a drama and mystery movie, and has a rating of 6.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Austria.