Guest Stars Peter Sullivan as Cardinal Ascanio Sforza Vernon Dobtcheff as Cardinal Versucci Gina McKee as Caterina Sforza Thure Lindhardt as Rufio Sebastian De Souza as Alfonso of Aragon Pilou Asbæk as Paolo Orsini Abraham Belaga as Vitelezzo Vitelli Prometheus Aleifer as Roberto Orsini Joseph Macnab as Prospero Colonna Björn Hlynur Haraldsson as Gian Paolo Baglioni Peter Stebbings as Cardinal De Luca Matias Varela as King Ferdinand II of Naples Béla Gados as Il Cerimoniere Richard Rattner as Neapolitan Guard David Dawson as The French Ambassador Gábor Nagypál as Papal Soldier Snitch Iván Fenyő as Florentine Swordsman Mike Kelly as Armourer Naples