Cast of Undercover High School

Main cast

Seo Kang-joonas Jeong Hae-sung

Jin Ki-jooas Oh Su-ah

Kim Shin-rockas Seo Myung-ju

Kim Min-juas Lee Ye-na

Yoon Ga-ias Park Mi-jung

Kim Young-ahas Im Chung-ha

Lee Hyun Soas Han Seung-jae

Yun Chae-binas Yun Chae-rin

Kim Sun-minas Ji Hyeon-jun

Kim Seung-beomas Kim Ho-jin

Kang Pil-junas Son Beom-Sik