A young woman teaches commercial writing and makes her students practice by writing letters addressed to an imaginary recipient from Vienna. One day, the love letter the woman writes to this non-existent man is accidentally sent by one of her students –and falls into the hands of a real person.
Vittorio De Sica
as Alfredo Hartman
Vera Bergman
as Elisa Malgari
Carla Del Poggio
as Maddalena
Irasema Dilián
as Eva
Pina Renzi
as Prof.ssa Varzi
Arturo Bragaglia
as Prof. Sila
Guglielmo Barnabò
as Padre di Maddalena
Amelia Chellini
as La direttrice
Paola Veneroni
as L'allieva Varghetti, la spiona
Dora Bini
as L'allieva Caricati
Enza Delbi
as Un' allieva
Roberto Villa
as Stefano Armani
