For those who know Fillion only from The Rookie, a return to Castle uncovers the formula for his lasting popularity: a rogueish charm combined with a rich emotional center. Before Castle, Nathan ...

Con, actor Nathan Fillion was serenaded by Zander Hawley on stage in front of the Ballroom 20 audience. As the series is set ...

Actor Nathan Fillion wasn’t out of work for too long after the Castle series finale. He migrated to another hit show in The Rookie, whose success matched and perhaps even surpassed Castle ’s.

The Rookie star, Nathan Fillion explains that it isn't always easy to film your show if it's popular. Find out more here.

In the end, however, that might’ve been exactly what happened to Castle. Nathan Fillion felt he was wrong about this 1 thing about the show’s natural ending. Related.

Nathan Fillion talks latest season of 'The Rookie' "God, I'm having a lot of fun. I'll tell you, 31 years in the business, this is probably the best job I've ever had," he said, speaking with "GMA ...