as Lee Yoo-rim
as Choi Hong
as Hee-Jung
as Language teacher
as Yeon-Ho's friend (uncredited)
as Yeon-Ho's friend 2 (uncredited)
as Student teacher (uncredited)
as Choi Hong's mother
as chief police at police station (uncredited)
as Gu Suk-Ji (student) (uncredited)
as Teacher (uncredited)
as Student teacher
as Teacher