Sam Witwer (Aiden) and Mark Pellegrino (Bishop) have history with each other in the Showtime Series "Dexter (2006)". Season 1 Episodes "Cirlce of Friends" and "Shrink Wrap" they played roles but their characters never met. Sam Witwer played a potential killer named "Neil Perry" and Mark Pellegrino played a father who just got out of jail named "Paul Bennett".