A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.
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
