Lost in the Dark Italian Sperduti nel buio is a 1947 Italian drama film directed by Camillo Mastrocinque. It was entered into the 1947 Cannes Film Festival. The film was based on a 1901 play of the same title by Roberto Bracco which had earlier been made into a 1914 silent film. The films sets were designed by the futurist architect Virgilio Marchi.
Source: Wikipedia