Horror Mystery Thriller
A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.
Directed by
Dario Argento
Horst Frank
Dr. Braun
Karl Malden
Franco Arnò
James Franciscus
Carlo Giordani
Catherine Spaak
Anna Terzi
Rada Rassimov
Bianca Merusi
Jacques Stany
Prof. Manera
Pier Paolo Capponi
Police Supt. Spini
Werner Pochath
Manuel
Tom Felleghy
Dr. Esson
Umberto Raho
Manuel's ex-lover
Fulvio Mingozzi
Spimi's man
Ada Pometti
Telephone operator
Marie Louise Sinclair
Film starlet
Tino Carraro
Prof. Fulvio Terzi
Aldo Reggiani
Dr. Casoni
Vittorio Congia
Righetto (cameraman)
Giovanni Di Benedetto
Chief of Police Salmi (uncredited)
Giuseppe Marrocco
Man at Table in the Saint Peter's Club (uncredited)
Carlo Alighiero
Dr. Calabresi
Margherita Horowitz
Lori's Babysitter (uncredited)
Franco Ukmar
Policeman - Speaks with Morsella About Food (uncredited)
Ugo Fangareggi
Gigi the Loser
Aristide Caporale
Smoker in the Billiard Hall (uncredited)
Corrado Olmi
Morsella
Pino Patti
Barber
Stefano Oppedisano
Taxi driver
Cinzia De Carolis
Lori
Gennarino Pappagalli
Man in the Terzi's Institute (uncredited)
Emilio Marchesini
Dr. Mombelli
Walter Pinelli
Sascha Helwin
Martial Boschero
Ettore Arena
Billiard Player (uncredited)
Aldo Parenti
(uncredited)

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