Nathan Fillion’s relationship history is as mysterious as a novel by Richard Castle, the charming writer-turned-detective he ...

Nathan Fillion recently rang in 55 with a sweet reunion with one of his beloved Castle co-stars, leaving fans of the long-running procedural feeling awfully nostalgic. The actor rocked a thick ...

The cop show that Nathan Fillion starred in before The Rookie is making an unexpected appearance on the PVOD charts. Before The Rookie came along in 2018, Fillion portrayed a mystery writer in Castle.

"The Rookie" fans are patiently waiting for Season 8 to arrive on Tuesday, Jan. 6 (10/9c). However, Nathan Fillion — who plays Officer John Nolan on ABC's hit procedural drama — is thinking about a ...