Yoon Hee-seok

Jo Hyun-chu

서신애

Lee Ji-wan

김정난

Goo Mi-young

Kim Hyo-seo

Jin So-jung

이칸희

Soo-hee

김병만

Kim Byeong-man

이미소

Hae-rim

박진영

Professor

Lim Seung-dae

homeroom teacher

Park Pal-Young

executive

Kim Young-Kyoon