Justin LongJustin Jacob Long is an American film, television, and voice actor. He is best known for his roles in the films Galaxy Quest, Jeepers Creepers, Dodgeball, and Live Free or Die Hard. He enjoys doing voice-over work, hich he began in the 1990s, and he is featured in Apple's Get a Mac advertising campaign. He also provided voice work for the television series Unsupervised and as Alvin in the film Alvin and the Chipmunks: Chipwrecked. Read More Read Less