Geheimnis im Hinterhaus

Lucien Baroux Commissioner Boucheron, district police officer Jacques Baumer Inspector Lambert of the Sûreté Jules Berry Alfredo d'Avila, dancer of these ladies Gaby Morlay Gaby Valrose, minister's lover Elvira Popescu Mrs. Rameau, wife of an industrialist and mistress of Alfredo Michel Simon Picking, knife-throwing artist André Lefaur Mr. Corbeau, kleptomaniac Gaby Sylvia Madeleine Martin, in love with André