"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)
Alba Maiolini
as Cleaning Lady (uncredited)
Maria Mancini
as Prostitute (uncredited)
Maurizio Streccioni
as Marco (uncredited)
Maria Tedeschi
as Flora (uncredited)
Mirella Venturini
Claudio Zucchet
as Night Guard (uncredited)
Giovanni Morosi
as Old Witness (uncredited)
Aldo Serio
Screenplay
Story
Berto Pisano
Original Music Composer
Mario Landi
Director
Gabriele Crisanti
Producer
Franco Villa
Director of Photography
Giuseppe Botteghi
Still Photographer
Nunzio De Angelis
Production Designer
Silvio Spingi
Boom Operator
Gianni Marras
Assistant Camera
Gianfranco Fornari
Production Secretary
Itala Giardina
Costume Designer
Roberto Silvestrini
Assistant Director
Giacomo Testa
Camera Operator
Mirella Cavalloro
Script Supervisor
Mario Salvatori
Editor
Umberto Picistrelli
Sound
Adriana Lamacchia
Marcello Spingi
Unit Production Manager
Mauro Gavazzi
Makeup Artist