Guest Stars Peter Sullivan as Cardinal Ascanio Sforza 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 Noah Silver as Benito Sforza Björn Hlynur Haraldsson as Gian Paolo Baglioni Brendan Cowell as Mattai the Hebrew Cyron Melville as Cardinal Farnese Charlie Carrick as Pascal Leo Bill as Cardinal Costanzo Edward Hogg as Georges D'Amboise Tom Keller as Gamaliel Jonah Russell as Cardinal Petrucci Matt Devere as Messenger from Liguria Péter Horkay as General Alexis Latham as Stefano Athina Papadimitriu as Sobbing Woman Csaba Vékes as Jewish Merchant #1 Árpád Barta as Jewish Merchant #2