Cast
- Ermanno Randi as Stefano Ferrari
- Lois Maxwell as Erika
- Amedeo Nazzari as Francesco Leverrier, ispettore di polizia
- Juan de Landa as Capobanda
- Folco Lulli as Meccanico caposquadra della stazione
- Umberto Spadaro as Commissario capo
- Oscar Andriani as Portiere
- Giulio Donnini as Vincenzo, detto il Paino
- Sophia Loren as A girl in the boardinghouse
- Silvio Bagolini as Gorini