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.
Starring:
James Franciscus (Carlo Giordani) Karl Malden (Franco Arnò) Catherine Spaak (Anna Terzi) Pier Paolo Capponi (Police Supt. Spini) Horst Frank (Dr. Braun) Rada Rassimov (Bianca Merusi) Aldo Reggiani (Dr. Casoni) Carlo Alighiero (Dr. Calabresi) Vittorio Congia (Righetto (cameraman)) Ugo Fangareggi (Gigi the Loser)Director:
Dario ArgentoWriter:
Dario Argento Bryan Edgar WallaceChoose the available date.