Belphegor, or Phantom of the Louvre
A mysterious phantom appears in the Musée du Louvre in Paris at night. Neither the guards nor the police are able to arrest it. A curious young man tries to break the ice and discover what drives the creature and the background activities.
Directors: Claude Barma
Writers: Alberto Liberati, Arthur Bernède, Claude Barma, Jacques Armand
IMDB: tt0166420