can you name any other movie which he was a part of?
"Serenity", "Trucker", "Dr. Horrible's Sing-Along Blog"
Nathan Fillion
Nathan Fillion (; born March 27, 1971) is a Canadian-American actor, best known for the leading roles of Captain Malcolm "Mal" Reynolds on "Firefly" and its film continuation "Serenity", and Richard Castle on "Castle". He is currently starring as John Nolan on "The Rookie".

Fillion has acted in traditionally distributed films like "Slither" and "Trucker", Internet-distributed films like "Dr. Horrible's Sing-Along Blog",
who dies in garden of the galaxy 2 Meredith Quill what is it's genre? It is an American superhero film. what is the story about? It follows the personal and galactic journeys of Peter Quill, Gamora, Drax Rocket and others, carrying forward their stories from the prequel "Guardians of the Galaxy", ending in a revelation of the circumstances causing Meredith's death. who directed it? James Gunn was this his first movie? No, he started with a horror-comedy film called "Slither". who were the actors in his debut movie? Namely, Nathan Fillion and Elizabeth Banks which role did the first actor play in it? UNANSWERABLE
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Nathan Fillion [SEP] Introduction
Nathan Fillion (; born March 27, 1971) is a Canadian-American actor, best known for the leading roles of Captain Malcolm "Mal" Reynolds on "Firefly" and its film continuation "Serenity", and Richard Castle on "Castle". He is currently starring as John Nolan on "The Rookie". 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 theater. His voice is also featured in video games, such as the Bungie titles "Halo 3", "", "", "Destiny" and "Destiny 2", along with the 343 Industries video game "". 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 a 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".