Inspector Angelo De Paul is assigned to investigate a horrifying series of murders that have gripped Venice and left the authorities baffled.
Director of Photography: Franco Villa
Story: Aldo Serio
Director: Mario Landi
Producer: Gabriele Crisanti
Screenplay: Aldo Serio
Flavia
Inspector Angelo De Pol
Fabio, Flavia's husband
Andrea Caron
Maestrin
Bruno Nielsen (as Vassili Karamesinis)
Alberto
Marzia