Peter O'Toole by Jeff Vespa/ Peter O'Toole by Jeff Vespa/
Peter O'Toole, a recent Oscar nominee for his work in Venus, will play Pope Paul III and thus square off against Jonathan Rhys Meyers' Henry VIII in a VII-episode arc on Showtime's The Tudors next season. Also per Variety, recent Criminal Minds baddie Keith Carradine is joining Showtime's Dexter as a series regular this coming season, playing an FBI agent snooping into a string of murders at the hands of Dex, and also serving as a love interest for Dex's loser of a sister.