Lee Kang-wook

as Lee Hynn-min

as Oh Hyung-ju

as Gujin High alumni

as Quiet Woman Director

as Byeon Seung-Jun

as Yeo Yun-cheol

as Han Sang-cheol

as Jung Yoon-ho

as Detective

as Japanese officer #2

as Song Jae Su

as [Drunken driver]

as Kang Jae-Won