David Clayton Henrie (born July 11, 1989) is an American actor, television writer, and producer who played Larry on the Disney Channel original series That's So Raven from 2003 to 2007 and Justin Russo on the Disney Channel original series Wizards of Waverly Place from 2007 to 2012. He also provides the voice of Shawn in Studio Ghibli's The Secret World of Arietty (2010).