David Henrie: David Henrie. Actor: Wizards of Waverly Place. David Clayton Henrie is an American actor, producer, director, and screenwriter. He is noted for playing Ted Mosby's future son Luke Mosby on How I Met Your Mother, Justin Russo in Wizards of Waverly Place, Larry on That's So Raven, London Busbee in Little Boy, and Rudy Ising in Walt Before Mickey.
