Guest Stars Peter Sullivan as Cardinal Ascanio Sforza Vernon Dobtcheff as Cardinal Versucci Bosco Hogan as Cardinal Piccolomini David Alpay as Calvino Jesse Bostick as Antonello Roger Lloyd Pack as Friar Noah Silver as Benito Sforza Tom Austen as Raffaello Alex Lanipekun as Mohammed Richard Durden as The Physician John Arthur as Brother Bernardino Zoltan Rihmer as Latin Reader Robert Cavanah as Hernando De Caballos