95 mins | Comedy | Sept. 6, 1941
95 mins | Comedy | Sept. 6, 1941
| Producers | |
| Original title | Ore 9: Lezione di chimica |
| Directors | Mario Mattoli |
| Writers | Marcello Marchesi, Mario Mattoli |
as Anna Campolmi
as Maria Rovani
as Il professor Marini
as Campanelli
as Signorina Mattei
as La direttrice
as Carlo Palmieri