Nathan Fillion (b. March 27, 1971) is a prolific Canadian-American character actor best known among DC Comics fans for voicing Hal Jordan in various animated films. He will also portray Guy Gardner in the DC Universe franchise, beginning with Superman (2025).
Nathan Fillion is a Canadian-American character actor with several film and television credits to his name. He is best known for his role as Malcolm Reynolds in Firefly and Serenity, Richard Castle on Castle and Officer John Nolan on The Rookie.