<P> Pierce Gagnon (born July 25, 2005) is an American child actor . He is known for his roles in the film Looper and in the CBS series Extant . </P> <P> Gagnon was born in Atlanta, Georgia . He has three younger siblings, including his brother Steele . He currently resides in Los Angeles . </P> <P> Gagnon played Logan Evans, the son of Clay Evans (Robert Buckley), in season 9 of the CW drama series One Tree Hill . </P> <P> In January 2011, he was cast in the action thriller film Looper as Cid Harrington, a child with unusual telekinetic abilities, who becomes a warlord called the "Rainmaker". Rian Johnson said, "Looking back I'm kind of terrified that I hinged the success of the backend of the movie on finding someone like Pierce . It's really rare to find a kid who can do what he does . He would do three - page dialogue scenes with Emily (Blunt) and Joe (Gordon - Levitt) and hold his own against them all the way through ." </P>

Who plays clay's son on one tree hill