In the prison of San Vittore there is, among other detainees, a strange type that they call "Il Cavaliere". The latter suffers a conviction for theft and his fellow prisoners have a certain respect for him.
| Actor | Role |
|---|---|
 Sophia LorenLa Sposa | La Sposa |
 Tino ScottiCavaliere | Cavaliere |
 Isa BarzizzaPerla | Perla |
 Aroldo TieriMago Trapani | Mago Trapani |
 Adriano RimoldiIndustriale | Industriale |
 Dorian GrayNot listed | Not listed |
 Franco VolpiNot listed | Not listed |
 Mirella UbertiNot listed | Not listed |
 Mario PisuNot listed | Not listed |
| MMario SilettiNot listed | Not listed |
 Vittorio SanipoliNot listed | Not listed |
| CCarlo MazzoniLo Sposo | Lo Sposo |
 Nino MilanoNot listed | Not listed |
 Juan Carlos LamasNot listed | Not listed |
 Eduardo PassarelliNot listed | Not listed |
 Agostino SalviettiNot listed | Not listed |
 Arturo BragagliaNot listed | Not listed |
 Mario LucianiNot listed | Not listed |
| BBruno SmithNot listed | Not listed |
 Armando AnnualeNot listed | Not listed |
| AAlfredo De MarcoNot listed | Not listed |
| MMichele MalaspinaNot listed | Not listed |
| EElsa PavaniNot listed | Not listed |