After leaving the reformatory where they spent their childhood, three boys begin their journey in life. The protagonist ends up becoming a criminal, but is finally redeemed by another of his former classmates, who has become a priest.
| Actor | Role |
|---|---|
 Silvana PampaniniSara | Sara |
 Massimo GirottiDon Antonio | Don Antonio |
 Francisco RabalGiacomo | Giacomo |
 Ana Luisa PeluffoErnestina | Ernestina |
 Aldo SilvaniDon Martino | Don Martino |
 Giacomo FuriaProfessore | Professore |
 Amedeo TrilliAmedeo, padre di Giacomo | Amedeo, padre di Giacomo |
 Antonio AlmorósBruno | Bruno |
 Albert HehnCommissario Galletti | Commissario Galletti |
 Fedele GentileMaresciallo | Maresciallo |
 Til KiwePaolo | Paolo |
 Emma BaronMadre di Ernestina | Madre di Ernestina |
 José JaspeGorilla | Gorilla |
 Anita DurantePerpetua | Perpetua |
 Piero PalerminiNot listed | Not listed |
 Peppino De MartinoAmico di Amedeo | Amico di Amedeo |
| EEugenio MaggiNot listed | Not listed |
 Ricardo ValleNot listed | Not listed |
| PPino AdroverNot listed | Not listed |
 Marco VicarioAldo | Aldo |