Jung Yong-joon (born on December 20, 1976), better known as Jang Hyuk, is a South Korean actor which is notable for leading roles in the films Volcano High (2001) and Windstruck (2004), and the television dramas Successful Story of a Bright Girl (2002), The Slave Hunters (2010), Deep Rooted Tree (2011), and Fated to Love You (2014).