Nathan Fillion once opened up about what it might take for ‘Castle’ to end in a way where it maintained its integrity.

To describe John Nolan in one word, he’s “frustrated,” Nathan Fillion says, to have his wife Bailey’s (Jenna Dewan) sociopathic ex-husband Jason (Steve Kazee) still free at the end of The ...

To describe John Nolan in one word, he’s “frustrated,” Nathan Fillion says, to have his wife Bailey’s ( Jenna Dewan) ...