The Black Duke
Plot: Cesar Borgia--a cardinal in the Catholic church, a confidant of the Pope and a member of one of the wealthiest and most powerful families in 16th-century Italy--must deal with a host of political and personal crises. He is having problems with his mistress, and members of a secret society called The Black Carnation are out to assassinate him

Cameron Mitchell
Conrado San Martín
Maria Grazia Spina
Gloria Milland
Franco Fantasia
Robert Dean
Dina De Santis
Gloria Fernán Osuna
Nino Persello
Gianni Solaro
Silvio Bagolini
Antonio Casagrande
Piero Gerlini
Pino Mercanti
Mario Amendola
Jolanda Benvenuti