Cast
- Evi Maltagliati as Silvia Harle
- Luigi Pavese as Chief Inspector Pietro Stoll
- Paola Borboni as Clara Korsen
- Adolfo Geri as Doctor Giulio Stilius
- Marcello Giorda as Rodolfo Barney, former minister
- Guido Notari as Colonel Erik Korsen
- Stefano Sibaldi as Federico Harle