A young student of an upper-class background who is surrounded by classmates that are of working-class backgrounds, after a novel in diary format by Enrico Bottini.
| Actor | Role |
|---|---|
 Vittorio De SicaMaster Perboni | Master Perboni |
 María MercaderClotilde Serra | Clotilde Serra |
 Giorgio De LulloRenato Gardena | Renato Gardena |
 Nerio BernardiMajor De Rossi | Major De Rossi |
 Arturo BragagliaHonorable Antonio Pestelli | Honorable Antonio Pestelli |
| FFiore DavanzatiPrecossi's mother | Precossi's mother |
 Salvo RandonePrecossi's father | Precossi's father |
 Augusto MastrantoniDon Camillo | Don Camillo |
 Armando MigliariSchool director | School director |
 Ave NinchiMrs. Serra | Mrs. Serra |
| GGiulio OppiCount Nobis | Count Nobis |
 Guido NotariEnrico Amici | Enrico Amici |
 Luigi PaveseMaster Lari | Master Lari |
 Lamberto PicassoSchool inspector | School inspector |
 Vittorio SanipoliPacetti | Pacetti |
 Enzo TurcoCommissioner | Commissioner |
 Gino LeuriniGarrone | Garrone |
 Luciano De AmbrosisPrecossi | Precossi |
| VVito AnnichiaricoCoretti | Coretti |
 Carlo Delle PianeGaroffi | Garoffi |
| GGuido MartufiThe Muratorino | The Muratorino |
| MMassimo RandisiNobis | Nobis |