Big Bang Theory Stars Before They Were Famous: See Their Surprising Early Roles
Simon Helberg: Then
Prior to landing a role on The Big Bang Theory, Helberg had small roles in a lot of big movies. He appeared in 2002's National Lampoon's Van Wilder, 2004's A Cinderella Story, 2005's Good Night, and Good Luck, and 2007's Walk Hard: The Dewey Cox Story. He was also a cast member on MADtv for one season in 2002.