56 Rue Pigalle is a 1949 French crime drama film directed by Willy Rozier and starring Jacques Dumesnil, Marie Déa and Aimé Clariond. It has been classified as a film noir. It was shot at the Victorine Studios and on location around Nice.
Jean Vigneron, a famous yachtsman, is in love with Inès the wife of his best friend. They are blackmailed due to incriminating letters being stolen by a valet living in the Rue Pigalle. When he is found murdered suspicion inevitably points at Vigneron. He flees to the French Congo, until he is absolved by a surprise witness.