Dream High starred which South Korean rapper, singer, songwriter, actor and entrepreneur?
Ok Taec-yeon Ok Taec-yeon (; born December 27, 1988), known mononymously as Taecyeon, is a South Korean rapper, singer, songwriter, actor and entrepreneur. He is the main rapper of the South Korean boy group 2PM.
Kang Ji-hwan Kang Ji-hwan (born Jo Tae-gyu on March 20, 1977) is a South Korean actor. He began his career in musical theatre, and has since starred in television dramas such as "Be Strong, Geum-soon!" (2005), "Capital Scandal" (2007), and "Hong Gil-dong" (2008), as well as the films "Rough Cut" (2008) and "My Girlfriend Is an Agent" (2009).