Elenco - Rules of Dating
박해일
Lee Yoo-rim
강혜정
Choi Hong
Grina Park
Hee-Jung
서영화
Language teacher
박진우
Yeon-Ho's friend (uncredited)
Woo Ki-hong
Yeon-Ho's friend 2 (uncredited)
Jung Young-ki
Student teacher (uncredited)
Lee Hyun-Jung
Choi Hong's mother
김세동
chief police at police station (uncredited)
Choi Jae-hwan
Gu Suk-Ji (student) (uncredited)
김자영
Teacher (uncredited)
김신록
Student teacher