as Yun-suk
as Yun-sik
as Sun-na
as Ok-i
as Mother
as Father
as Vice Principal
as Publisher
as Gyeong-su's Father
as Gyeong-su's Mother
as Doctor
as Principal
as School Parent
as Loan Shark
as Dispatcher
as Korean Teacher
as Class Teacher
as Grandfather
as Yun-sik's Class Teacher
as MC
as MC