Currently starring as John Nolan in ABC's "The Rookie," Fillion leads the cast into its fifth season of this police procedural drama about a man in his forties who becomes the oldest rookie at the Los Angeles Police Department. "The Rookie" premiered in 2018 and airs in over 170 countries worldwide.
Fillion recently played the role of The Detachable Kid (T.D.K.) in James Gunn's "The Suicide Squad," opposite Sylvester Stallone, Idris Elba and Margot Robbie.
Fillion also starred as title character Richard Castle in ABC's award-winning television series, "Castle," which successfully ran for eight seasons (more than 170 episodes), reached over 70 million U.S. viewers and remains one of the most widely aired television series in the world. Fillion won seven People's Choice Awards for the role, most recently in 2016.
Starting with the cult television series "Firefly" (FOX) in 2002, Fillion also has a 10-year creative relationship with Joss Whedon. While short lived, "Firefly" was adapted for the big screen, with Fillion reprising his role as Malcolm Reynolds in "Serenity," which Whedon wrote and directed in 2005. Fillion also starred as Dogberry, the incompetent chief of security, in Joss Whedon's feature "Much Ado About Nothing," based on Shakespeare's play.
He also had a recurring role as Caleb in the final season of "Buffy the Vampire Slayer" (The WB) and took his first singing role as Captain Hammer in Whedon's Emmy® Award-winning musical internet smash, "Dr. Horrible's Sing-Along Blog," with Neil Patrick Harris and Felicia Day.
Television credits include roles on "Modern Family" (ABC), "Santa Clarita Diet" (Netflix), "The Big Bang Theory" (CBS), "Resident Alien" (Syfy), "Rick and Morty" (Cartoon Network), "Marvel's M.O.D.O.K." (Hulu), "Big Mouth" (Netflix), "Drunk History" (Comedy Central) and "Kroll Show" (Comedy Central). He's had a recurring role on "Community" (NBC), "Desperate Housewives" (ABC), "Two Guys and a Girl" (ABC), "Drive" (FOX), "Pasadena" (FOX) and "Miss Match" (NBC). Fillion earned an Emmy nomination for his role in the daytime drama "One Life to Live" (ABC, Hulu).