Train operator Andrea Marcocci has to witness the suicide of a desperate man who jumps in front of his train. Under the influence of this shock he starts making mistakes. A check up by a doctor reveals that he's at the brink of becoming an alcoholic. Due to this evaluation he is degraded and must accept a salary cut.
| Actor | Role |
|---|---|
 Pietro GermiAndrea Marcocci | Andrea Marcocci |
 Luisa Della NoceSara Marcocci | Sara Marcocci |
 Sylva KoscinaGiulia Marcocci | Giulia Marcocci |
 Saro UrzìGigi Liverani | Gigi Liverani |
 Carlo GiuffrèRenato Borghi | Renato Borghi |
| RRenato SpezialiMarcello Marcocci | Marcello Marcocci |
| EEdoardo NevolaSandro Marcocci | Sandro Marcocci |
| AAntonio AcquaIl commissario | Il commissario |
| LLilia LandiNot listed | Not listed |
 Gustavo SerenaNot listed | Not listed |
 Franco FantasiaL'autista | L'autista |
 Riccardo GarroneL'amico di Marcello | L'amico di Marcello |
| AAndrea FantacciNot listed | Not listed |
| OOscar KeeseeNot listed | Not listed |
| LLina Tartara MinoraNot listed | Not listed |
 Amedeo TrilliNot listed | Not listed |