Actor Nathan Fillion had just completed his run as Castle when he was cast in The Rookie. But he admitted he sometimes found it hard to leave his Castle character behind when doing the hit ABC series.

Nathan Fillion has been fancasted as Green Lantern for nearly 15 years, but his role as Guy Gardner in Superman isn't the ...

Nathan Fillion pokes fun at his career (and geek ... and optimistic human being in The Rookie so refreshing. His post-Castle return to TV sees him play John Nolan, who moves to L.A., seeking ...

you know Nathan. I want to do a project with him and I want you to pitch it.’ That’s where it all started. “ After speaking to Ungar about the Uncharted short film, Fillion, who also played ...

Nathan has worked with James Gunn in the past. Get to know the actor who’s playing Guy Gardner, a.k.a Green Lantern, in 2025’s ‘Superman.’ ...

Nathan Fillion is the current star of the hit LAPD show, The Rookie, in which he plays John Nolan. The Canadian-American actor was the title character in the 2009 ABC show, Castle, and has a ...

James Gunn promises Superman: Legacy 'revolves around Superman and Lois' as more DC heroes join cast Superman: Legacy will introduce Nathan Fillion's Green Lantern and more DC heroes ...