On Joo-wan appeared in the 2008 film directed by whom?
On Joo-wan:  He won widespread praise for his leading role in the film "The Peter Pan Formula", and also appeared in "My Mighty Princess", "Twelve Men in a Year", and "The Five". My Mighty Princess:  "The impossible female student") is a 2008 South Korean film directed by Kwak Jae-yong.
Kwak Jae-yong