여교사

이희준 as Pyo Sang-woo 이기우 as Lee Jong-chan 오나라 as Lesson teacher 곽동연 as Yoo Jong-Ki 임화영 as Lee Yoon-mi 기주봉 as Jae-ha's father 이경영 as Chairman 김수진 as Teacher Lee Chung-hee as Teacher 옥지영 as Kim Na-yeon 김하늘 as Park Hyo-joo 유인영 as Hae-young 홍완표 as head teacher 이원근 as Jae-ha 정석용 as vice-principal

류승완 Producer Kim Jeong-min Co-Executive Producer 김상범 Editor Kim Tae-yong Screenplay, Director 강혜정 Producer