Room 13

Room 13 is a 1942 French crime film directed by André Hugon and starring Jules Berry, Josseline Gaël and Robert Le Vigan. Production began in 1940 but its release was delayed. It was shot at the Marseille Studios of Marcel Pagnol.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.