La Troisième Dalle

Jim Gérald as Commissioner Plachon Jacques Tarride as The valet Chukry-Bey Francis Claude Vanda Gréville Jules Berry as Professor Barbaroux Pauline Carton as Madame Barbaroux Milly Mathis as The cook Simone Paris as Mona Lambelle Henri Arius Philippe Hersent as Gérard Pierre Stéphen as Orfray