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Caught between the truth and a murderer's hand!
A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.Read moreLess
A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.
The story
A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.
Watch trailerCast & crew
James FranciscusCarlo Giordani
Karl MaldenFranco Arnò
Catherine SpaakAnna Terzi
Pier Paolo CapponiPolice Supt. Spini
Horst FrankDr. Braun
Rada RassimovBianca Merusi
Aldo ReggianiDr. Casoni
Carlo AlighieroDr. Calabresi
Vittorio CongiaRighetto (cameraman)
Ugo FangareggiGigi the Loser
Tom FelleghyDr. EssonEmilio Marchesini
Emilio MarchesiniDr. MombelliExplore the crew
- Screenplay
- Dario Argento
- Director
- Dario Argento
- Original Music Composer
- Ennio Morricone
- Director of Photography
- Erico Menczer
- Producer
- Salvatore Argento
- Screenplay
- Bryan Edgar Wallace
- Editor
- Franco Fraticelli