Cast of Extracurricular
Main cast
Kim Dong-heeas Oh Ji-soo
Park Ju-hyunas Bae Gyu-ri
Jung Da-binas Seo Min-hee
Nam Yoon-suas Kwak Ki-tae
Kim Yeo-jinas Lee Hae-gyoung
Choi Min-sooas Lee Wang-cheol
Park Hyuk-kwonas Cho Jin-woo
Seo Ye-hwaas Na Seong-mi
Kim Kwang-kyuas Byung-kwan
Baek Joo-heeas Cho Mi-jun
Im Gi-hongas Ryu Dae-yeol
Lee Hyun-gulas Kkakdugi
Park Ho-sanas Oh Jung-jin
Shim Yi Youngas Gyu-ri's Mother
Kim Young-pilas Gyu-ri's Father
Woo Da-vias Soo-ji
Lee Jae-Baekas Kang Bbang
Lee Seung-wookas Chae-bin
Kim Yi-kyeongas Kim Ji-ye
Park Bo-Mias Cho Min-joo
Kwon Han-solas Hye-min
Kang Seolas Lee Na-eun
Shin Myung-sungas Lim Tae-woo
Min Bok-gias [Dean of students]
Lee Seung-ryongas Kyung-sik
