Inspector Angelo De Paul is assigned to investigate a horrifying series of murders that have gripped Venice and left the authorities baffled.

Leonora Fanias Flavia
Jeff Blynnas Inspector Angelo De Pol
Gianni Deias Fabio, Flavia's husband
Eolo Caprittias Maestrin
Vassili Karisas Bruno Nielsen (as Vassili Karamesinis)
Giancarlo Del Ducaas Alberto
Mariangela Giordanoas Marzia
Giuseppe Curiaas Man in Cinema (uncredited)
Luciano Fotias Surveillance Cop (uncredited)