Teach You a Lesson poster

TV series · 2026

Teach You a Lesson

“Let us protect you!”

First aired 5 June 2026 Action & Adventure / Drama / Comedy TMDB ↗

An inspector from the Educational Rights Protection Bureau (ERPB) who is authorized by the government to use physical intervention and unconventional methods to discipline delinquent students and reform the educational system.

FR·01

How old were they?

Oldest first
Kim Jong-soo
as Hwang Gi-tae
61
Lee Sung-min
as Choi Kang-seok
57
Kim Moo-yul
as Na Hwa-jin
44
Jin Ki-joo
as Im Han-rim
37
Pyo Ji-hoon
as Bong Geun-dae
33
Ahn Ha-young
as Choi Ga-yun
32
Lee Bong-joon
as Cho Gyu-cheol
30
Everyone else (6) ↓
Kim Beong-choun
as Lee Cheol-myeon
59
Choi Jae-sup
as Kang Jun-man
52
Seo Young-hee
as Hyeon-min's mother
46
Baek Ji-hye
as Gi-tae's assistant
30
Jeon Bong-seok
as Kim Hyeong-ju
29
Ok Jin-uk
as Cho In-beom
29
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