On Joo-wan appeared in the 2008 film directed by whom?
My Mighty Princess My Mighty Princess (; lit. "The impossible female student") is a 2008 South Korean film directed by Kwak Jae-yong.
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).