Horror Mystery Thriller
An American writer living in Rome witnesses an attempted murder that is connected to an ongoing killing spree in the city and conducts his own investigation, despite he and his girlfriend being targeted by the killer.
Directed by
Dario Argento
Enrico Maria Salerno
Inspector Morosini
Mario Adorf
Berto Consalvi
Carla Mancini
Girl Watching TV
Renato Romano
Professor Carlo Dover
Tony Musante
Sam Dalmas
Reggie Nalder
Needles (uncredited)
Suzy Kendall
Julia
Rosita Torosh
Victim
Maria Tedeschi
Old Lady in Fog (uncredited)
Fulvio Mingozzi
Police Detective
Eva Renzi
Monica Ranieri
Werner Peters
Antique Dealer
Umberto Raho
Alberto Ranieri
Pino Patti
Faiena
Giovanni Di Benedetto
Professor Rinaldi (uncredited)
Aldo Barozzi
Passerby who calls the Police (uncredited)
Giuseppe Castellano
Monti
Gildo Di Marco
Garullo
Omar Bonaro
Police Detective
Romano Targa
Policeman (uncredited)
Karen Valenti
Tina
Bruno Erba
Police Detective
Annamaria Spogli
Sandra Roversi (uncredited)
Ugo Mari
Mario Zandri (uncredited)

Your rating