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

Leonora Fani
as Flavia

Jeff Blynn
as Inspector Angelo De Pol

Gianni Dei
as Fabio, Flavia's husband

Michele Renzullo
as Andrea Caron

Eolo Capritti
as Maestrin

Vassili Karis
as Bruno Nielsen (as Vassili Karamesinis)

Giancarlo Del Duca
as Alberto

Mariangela Giordano
as Marzia

Giuseppe Curia
as Man in Cinema (uncredited)

Luciano Foti
as Surveillance Cop (uncredited)