Nathan Fillion is 53 years and 7 month(s) old. He was born in 27 Mar, 1971. Nathan Fillion is a Canadian film actor who was born in the year 1971 in Edmonton, Alberton, Canada. He is famous for his best role in ABC series castle as Richard Castle. He played as a lead role in Captain Malcolm Reynolds in the series ‘Firefly’. He has attained a lot of popularity all over the world.