Castles in the Air ItalianCastelli in aria is a 1939 Italian comedy film directed by Augusto Genina and starring Lilian Harvey, Vittorio De Sica and Otto Treler. It was made at Cinecitt in Rome, as part of a coproduction with Germany. A separate Germanlanguage version was also released. It is based on a novel by Franz Karl Franchyde .
Source: Wikipedia