Crew
Dario Argento
Director
Dario Argento
Screenplay
SA
Salvatore Argento
Producer
EM
Erico Menczer
Director of Photography
Ennio Morricone
Original Music Composer
BE
Bryan Edgar Wallace
Screenplay
Cast
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
Tom Felleghy
Dr. Esson
EM
Emilio Marchesini
Dr. Mombelli
