Nathan Fillion

Nathan Fillion (born March 27, 1971) is a Canadian actor. He stars as mystery novelist Richard Castle on the ABC series Castle. He is also known for his portrayal of the lead role of Captain Malcolm Reynolds in the television series Firefly and its feature film continuation, Serenity.

He has acted in traditionally distributed films like Slither and Trucker, Internet-distributed films like Dr. Horrible's Sing-Along Blog, voice acted in video games Halo 3: ODST and Halo: Reach, television soap operas and sitcoms, and the in theatre.