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 Castle. As of 2018, he stars as John Nolan on The Rookie and is an executive producer on the show as well as its spin-off series, The Rookie: Feds.
Fillion has acted in traditionally distributed films like Slither and Trucker, Internet-distributed films like Dr. Horrible’s Sing-Along Blog, television soap operas, sitcoms, and theatre. His voice is featured in animation and video games, such as the Bungiegames Halo 3, Halo 3: ODST, Halo: Reach, Destiny, and Destiny 2, along with the 343 Industries game Halo 5: Guardians and the television series M.O.D.O.K. (2021).
Fillion first gained recognition for his work on One Life to Live in the contract role of Joey Buchanan, for which he was nominated for the Daytime Emmy Award for Outstanding Younger Actor in a Drama Series, as well as for his supporting role as Johnny Donnelly in the sitcom Two Guys and a Girl.
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2018 • TV
2004 • TV
2005 • TV
2005 • TV
2025 • Movie
2024 • Movie
as Guy Gardner
as Headpool (voice)
as T.D.K.
as Master Karja
as Minnesota Ryan
as Sterling (voice)
as Johnny (voice)
as Monstrous Inmate
as Malcolm 'Mal' Reynolds
as Father David
as The Holy Avenger
as Green Lantern (voice)
as Runner
as Cliff
as Brett Wright
as Hermes
as Captain Superior (voice)
as Bill Pardy
as Quinn
as Luke Riley
as John Nolan
129 episodes
as Kevin Callis
1 episodes
as American Businessman Klaus (voice)
1 episodes
as Liver / Joel Larson (voice)
1 episodes
as Cornvelious Daniel (voice)
1 episodes
as Rainer Shine
7 episodes
as Richard Castle
173 episodes
as Adam Mayfair
11 episodes
as Mark Devereaux
1 episodes
as Frisbee Guy (voice)
1 episodes
as Nathan Fillion
1 episodes
as Self
1 episodes
as Self - Cameo (uncredited)
1 episodes
as Caleb
5 episodes
as Preston Northwest (voice)
4 episodes
as Bob Waite
2 episodes
as Nathan Fillion (voice)
9 episodes
as Octopus (voice)
2 episodes
as 42 (voice)
4 episodes
as Mal Reynolds
11 episodes
Producer
Executive Producer
Executive Producer
Executive Producer
