Dexter: Resurrection just pulled off a serial killer dinner that will go down in TV history - but how did Krysten Ritter, Eric Stonestreet and more of the show's guest stars prepare to play these fictional villains? During the Sunday, July 27, episode of the Showtime series, Dexter (Michael C. Hall) tricked his way into an underground event hosted by billionaire Leon Prater (Peter Dinklage) whose side hobby included collecting serial killer memorabilia and hosting get togethers between like-minded - and murderous - people. Stonestreet, 53, was introduced as Al a.k.