Director
Dario ArgentoStarring actors
Tony Musante
Suzy Kendall
Enrico Maria Salerno
Eva Renzi
Umberto Raho
Renato Romano
Giuseppe Castellano
Mario Adorf
Pino Patti
Gildo Di MarcoDescription
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...