The Originals

Daniel Sharman played a werewolf in Teen Wolf (2011), and is now playing a witch. This is the opposite of Phoebe Tonkin, who played a witch on The Secret Circle (2011) and is now playing a werewolf.

Julie Plec initially intended to kill off Josh at the end of season 1, but the writers threatened to never forgive her if she did so.

Nathan Parsons who plays the werewolf Jackson, left the show during season one to play a vampire on HBO's True Blood (2008) only to return to his werewolf character in season two after the series ending of "True Blood".