A reporter and a blind, retired journalist try to solve a series of murders. The crimes are connected to experiments by a pharmaceutical company in secret research. The two end up becoming targets of the killer.
Police Supt. Spini
Lori's Babysitter (uncredited)
Gigi the Loser
Prof. Fulvio Terzi
Smoker in the Billiard Hall (uncredited)
Chief of Police Salmi (uncredited)
Man in the Terzi's Institute (uncredited)