K-DRAMA
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Tonton Streaming Teach You a Lesson (2026) S1E4 - Episode 4
Choi Gang-seok weathers a political attack on his bureau. Hwa-jin's team visits an elite school to uncover why a student attacked a respected teacher.
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Bintang Tamu
Jeon Bong-seok
as Kim Hyeong-ju
Ok Jin-uk
as Cho In-beom
Yoo Tae-joo
as Park Seong-hwan
Park Seo-yoon
as Han Ye-ri
Choi Deok-moon
as Cheon Sang-yeol
Bae Jun-hyung
as Park Hyeon-ung
Sim Su-bin
as Jung Su-jeong
Kim Sun-hoa
as Su-jeong's Mother
Kim Beong-choun
as Lee Cheol-myeon
Baek Ji-hye
as Gi-tae's Assistant
So Yi-han
as Chukmyeong Foreign Language School Student 1
Gu Bon-jin
as Park Hyeon-ung's Father
Kim Tae-yoo
as Institute Staff
Ok Il-jae
as Prosecution Official
Han Ki-jang
as Lawyer
Son Da-yeon
as Han-rim Past Female Student 1
Park Kwan-woo
as Han-rim Past Male Student 1
Jin Si-won
as Reporter 3
Lee So-geum
as Detective 1
Park Seung-hyun
as Detective 2
Lee Seung-jin
as Teacher 1
Han Nu-ri
as Female Teacher
Seo Gwang-jae
as Chairperson
Kim Eun-hee
as Reporter 4
Ahn Ha-young
as Choi Ga-yun
Kim Jong-soo
as Hwang Gi-tae
Lee Bong-joon
as Cho Gyu-cheol
Jeong Myung-gun
as Prison Guard 1
Mimiminu
as Mimiminu
Lee Yeo-jin
as Anchor
Lee Dong-ho
as Private Teacher
Lee Eun-hak
as Chukmyeong Foreign Language School Student 2
Song So-yeon
as Chukmyeong Foreign Language School Student 4
Gang Dong-yun
as Chukmyeong Foreign Language School Student 5
Jo Hyo-eun
as Han-rim Past Female Student 2
Kim Yun-chan
as Principal
Sean Cho
as Detective
