Nathan Fillion on Castle Season 5: "I Want to See Castle Step Up a Little Bit" (VIDEO)

What does Castle star Nathan Fillion want to see from his character Rick Castle in Season 5? Nathan tells all in this interview with Parade Magazine, as well as why he loves Twitter, what his parents think of the show, and his thoughts on Caskett finally getting together!


Want to comment on this? First, you must log in to your SideReel account!