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 him and his girlfriend being targeted by the killer.
Movie tag line: "All the screaming in the world won't help!"
Production companies:
Character: Sam Dalmas
Character: Julia
Character: Inspector Morosini
Character: Monica Ranieri
Character: Alberto Ranieri
Character: Professor Carlo Dover
Character: Monti
Character: Berto Consalvi
Character: Faiena
Character: Garullo
Character: Victim
Character: Police Detective
Character: Police Detective
Character: Antique Dealer
Character: Tina
Character: Girl Watching TV
Character: Police Detective
Character: Sandra Roversi (uncredited)
Character: Professor Rinaldi (uncredited)
Character: Needles (uncredited)
Character: Old Lady in Fog (uncredited)
Character: Passerby who calls the Police (uncredited)
Character: Mario Zandri (uncredited)
Character: Policeman (uncredited)