During Fascism and after WWII, a school porter sacrifices himself so his son, who is slightly ashamed of a lowly background, can become a respected professor.The film also takes a few jabs at Italy's rapid governmental reshuffles.
| Actor | Role |
|---|---|
 Aldo FabriziOrazio Belli | Orazio Belli |
 Giorgio De LulloOrazio Belli Jr. | Orazio Belli Jr. |
 Mario PisuEttore Giraldi | Ettore Giraldi |
 Diana NavaDiana | Diana |
 Lisetta NavaLisetta | Lisetta |
 Pinuccia NavaSignorina Maggi | Signorina Maggi |
 Nando BrunoAngeloni | Angeloni |
| GGuido AgnolettiAndronico | Andronico |
| RRaffaele CaporilliIl bidello | Il bidello |
| DDiego CalcagnoL'insegnante | L'insegnante |
 Gino CavalieriNot listed | Not listed |
| GGaetano ChiurazziUn allievo | Un allievo |
| AArmando LibianchiNot listed | Not listed |
 Ennio FlaianoUn insegnante | Un insegnante |
| FFrancesco JovineNot listed | Not listed |
| GGianna Perea LabiaNot listed | Not listed |
| AAldo MattiacciNot listed | Not listed |
| PPaolo MonelliNot listed | Not listed |
| EErcole PattiNot listed | Not listed |
| AAttilio RiccioNot listed | Not listed |
 Mario SoldatiNot listed | Not listed |