Sterling Knight (born March 5, 1989) is an American actor and singer, and began his career on stage in local productions. Knight has played the role of Chad Dylan Cooper in the Disney Channel Original Series, ‘Sonny With a Chance’ (2009-2011) and reprised his role in Disney sketch show ‘So Random!’ (2011-2012) . He appeared as fictional teen sensation popstar Christopher Wilde in the heartfelt Disney Channel Original Movie, ‘Starstruck’ (2010), alongside Danielle Campbell.