Over the course of the later seasons, Lafferty directed four episodes.He received four Teen Choice Award nominations throughout his time on the series.In February 2008, Lafferty was cast in the straight-to-DVD sequel to the cult film Donnie Darko.
In 1997, at age twelve, Lafferty made his small-screen acting debut with a voice-over role in the made-for-television film Annabelle's Wish.
Lafferty has since made guest appearances on television series' such as Once and Again, Get Real, and Boston Public.
In 2002, Lafferty starred in the ESPN made-for-television film A Season on the Brink, an adaptation of the book of the same name by John Feinstein.
James Martin Lafferty (born July 25, 1985) is an American actor, director and producer.
He is best known for his portrayal of Nathan Scott on The CW teen drama television series One Tree Hill from 2003 to 2012.
Lafferty received his first significant acting role in a school play when he was ten years old.Lafferty then attended Hemet High School (where he played on the school's basketball team) until 2003, after which he enrolled at California State University, Long Beach.The film centered on the 1985–86 season of Indiana University's college basketball team.In 2003, Lafferty was cast in his breakout role of Nathan Scott on The WB/The CW teen drama series One Tree Hill.The series follows two estranged half-brothers, Nathan and Lucas Scott, who are put on the same basketball team, jeopardizing Nathan's position as the star player.In May 2011, The CW renewed the series for a ninth and final season, for which Lafferty chose to return on a recurring basis rather than in a full-time starring role.