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.
as Sam Dalmas
as Julia
as Inspector Morosini
as Monica Ranieri
as Alberto Ranieri
as Professor Carlo Dover
as Monti
as Berto Consalvi
as Faiena
as Garullo
as Victim
as Police Detective
as Police Detective
as Antique Dealer
as Tina
as Girl Watching TV
as Police Detective
as Sandra Roversi (uncredited)
as Professor Rinaldi (uncredited)
as Needles (uncredited)
as Old Lady in Fog (uncredited)
as Passerby who calls the Police (uncredited)
as Mario Zandri (uncredited)
as Policeman (uncredited)
