The Midnight Romance in Hagwon

Shin Joo-Hyeop

Choi Seung-gyoo

Yoon Bok-in

Oh Jeong-hwa

Cha Kang-Yoon

Lee Si-woo

Jong-Tae Kim

Kim Hyeon-tak

Kyu-Sung Lee

Park Gi-seong

Jo-a Yang

Min Hee-joo

Jang In-sub

Yoon Ji-seok

Yoon Seul

Lee Hyeon-sil (A fixed-term teacher)

Seok-Chan Jeon

Geum Choon-il

Ryeowon Jung

Seo Hye-jin

Wi Ha-joon

Lee Joon-ho

Joo-yeon So

Nam Jeong-mi

Kim Hak-sun

Chanyeong High teacher

Sung Yeo-jin

Director Seo