Kim Hee-chul (born July 10, 1983) is a South Korean singer-songwriter, actor and television personality, and a member of the K-pop boy band Super Junior. He made his acting debut as Baek Jin-woo in the second season of the teen-drama television series Sharp (2005), and acted in leading roles in Rainbow Romance (2005–2006) and Flower Grandpa Investigation Unit (2014); and in supporting roles in Bad Family (2006), Golden Bride (2007–2008), and Loving You a Thousand Times (2009–2010). He starred in the high-school mystery and comedy film Attack on the Pin-Up Boys (2007) in his film debut, and voiced Simon Seville in the South Korean dub of Alvin and the Chipmunks.