Justin Long

Justin Jacob Long (born June 2, 1978) is an American actor who is best known for his roles as Alvin in Alvin and the Chipmunks, Justin Redman in ', Humphrey in ', and Matthew "Matt" Farrell in .

For Disney, he played the role of Kevin in the 2005 film Herbie: Fully Loaded and Troop Leader Adam Devlin (uncredited) in the 2009 comedy film Old Dogs.