Ore 9: Lezione di chimica

Giuditta Rissone as La direttrice Sandro Ruffini as Carlo Palmieri Alida Valli as Anna Campolmi Irasema Dilián as Maria Rovani Andrea Checchi as Il professor Marini Carlo Campanini as Campanelli Ada Dondini as Signorina Mattei

Mario Mattoli Director, Screenplay Marcello Marchesi Screenplay