Cast
- Gino Cervi as Dottor Gino Landi
- Luisa Ferida as Irene Serra
- Sandro Ruffini as Professor Serra
- Annibale Betrone as Il frate domenicano
- Jone Morino as La madre di Irene
- Flora Volpini as La cameriera
- Bebi Nucci as La bambina
- Claudio Ermelli
- Maria Gardena
- Fedele Gentile