Nathan Fillion isn't as essential to a Firefly ... for the iconic show today is commendable. The reason why Firefly's rumored revival doesn't need Fillion is because the comics have already ...

With The Rookie, Nathan Fillion headlines his third TV successful TV show after Firefly and Castle, and is in no mood to stop.

Nathan Fillion (born March 27, 1971) is a Canadian-American actor. He played the leading roles of Captain Malcolm "Mal" Reynolds on Firefly and its film continuation Serenity and Richard Castle on ...