Kim Moo-yul
Na Hwa-jin
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Original title: 참교육
“Let us protect you!”
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Official trailer embedded from YouTube.
Review & viewing guide
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An original, in-depth guide to Teach You a Lesson is being written and fact-checked. In the meantime, all details, cast and streaming options are listed on this page.
Na Hwa-jin
Choi Kang-seok
Im Han-rim
Bong Geun-dae
Park Dae-seok
Kim Hyeong-ju
Cho In-beom
Park Seong-hwan
Jang Kwon-hyuk
Principal
Hyeong-ju's mother
Boss
Jung Seong-yeong
Han Ye-ri
Jung So-yeong
Ko Yeong-su
Ms. Jung's Friend
Ko Yeong-su's Wife
Principal
Male Teacher 1
Female Teacher 1
Teacher
Cheon Sang-yeol
Park Hyeon-ung
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