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 himself and his girlfriend being targeted by the killer.
Tony Musante
as Sam Dalmas
Suzy Kendall
as Julia
Enrico Maria Salerno
as Inspector Morosini
Eva Renzi
as Monica Ranieri
Umberto Raho
as Alberto Ranieri
Renato Romano
as Professor Carlo Dover
Giuseppe Castellano
as Monti
Mario Adorf
as Berto Consalvi
Pino Patti
as Faiena
Gildo Di Marco
as Garullo
Rosita Torosh
as Victim
Omar Bonaro
as Police Detective
