How Well Do Nathan Fillion and Stana Katic Know Each Other? The Answer May Surprise You!
Nathan Fillion and Stana Katic have been costarring on Castle for five seasons now, but how well do the actors actually know each other? The answer may surprise you! For one, it seems like they each guess on some of their answers. As an added bonus, you can watch and find out if either of them would ever consider appearing on Dancing With the Stars!