Teach You a Lesson

Kim Moo-yul

Na Hwa-jin· 10 ep

Lee Sung-min

Choi Kang-seok· 10 ep

Jin Ki-joo

Im Han-rim· 10 ep

Pyo Ji-hoon

Bong Geun-dae· 10 ep

Kim Jong-soo

Hwang Gi-tae· 10 ep

Ahn Ha-young

Choi Ga-yun· 10 ep

Lee Bong-joon

Cho Gyu-cheol· 10 ep

Kim Beong-choun

Lee Cheol-myeon· 3 ep

Baek Ji-hye

Gi-tae's assistant· 3 ep

Choi Jae-sup

Kang Jun-man· 3 ep

Jeon Bong-seok

Kim Hyeong-ju· 2 ep

Ok Jin-uk

Cho In-beom· 2 ep

Yoo Tae-joo

Park Seong-hwan· 2 ep

Lee Sang-hee

Jung Seon-yeong· 2 ep

Park Seo-yun

Han Ye-ri· 2 ep

Jang Yo-hoon

Min Ji-ung· 2 ep

Leem Hyun-mook

Yun Min-su· 2 ep

Yoon Tae-sik

Lee Du-hyeon· 2 ep

Choi Hyun-joon

Choi U-seong· 2 ep

Kim Kyun-ha

Kim Su-gyeom· 2 ep

Do Geon-wu

Na Jung-hwan· 2 ep

Lee Woo-je

Jang Seong-gu· 2 ep

Kim Jae-seon

Lee Chi-ho· 2 ep

Lee Seung-noh

Jung Hyun-tae· 2 ep

Lee Jung-hwa

Ms. Min· 2 ep

Moon Dong-ho

Seo Jin-hyeok· 2 ep

Lee Ho-cheol

Reporter· 2 ep

Lee Chan-yong

Kim Gyeong-min· 1 ep

Lee Seung-gyu

Ryu Jun-hyeong· 1 ep

Jeong Soo-hyun

Park Dae-seok· 1 ep

Kim Do-gun

Kim Gwang-su· 1 ep

Lee Tae-hwan

Jang Kwon-hyuk· 1 ep

Seong No-jin

Principal· 1 ep

Byun Yun-jeong

Hyeong-ju's mother· 1 ep

Kim Chan-hyung

Du-mok· 1 ep

Kim Se-yeon

Jung So-yeong· 1 ep

Kwon Hyuk

Ko Yeong-su· 1 ep

Lee Si-young

Seon-yeong's friend· 1 ep

Jeong Seo-yeon

Yeong-su's wife· 1 ep

Park Yong

Principal· 1 ep

Seo Dong-hyeon

Oh Jung-hwan· 1 ep

Park Bo-bae

Park Hyeon-ju· 1 ep

Yoon Woon-yong

Teacher· 1 ep

Choi Deok-moon

Cheon Sang-yeol· 1 ep

Bae Jun-hyung

Park Hyeon-ung· 1 ep

Sim Su-bin

Jung Su-jeong· 1 ep

Kim Sun-hoa

Su-jeong's mother· 1 ep

Song Si-an

Choi Ji-seon· 1 ep

Yoon Hyun-gil

Ji-seon's mother· 1 ep

Jang Hee-jung

Lee Young-mi· 1 ep

Choi Ja-woon

Kim U-jin· 1 ep

Park Ji-yeon

Lee Ji-young· 1 ep

Kim Ye-rin

Yeon-seo· 1 ep

Kwon Dong-ho

Kim Seok-hyeon· 1 ep

Kang Ji-eun

Kim Ji-eun· 1 ep

Kim Chae-eun

Oh Yun-jin· 1 ep

Bae Jae-young

Lee Jae-yun· 1 ep

Jo Eun-sol

Shin Ji-su· 1 ep

Jo Jun-ho

Ji Seong-bin· 1 ep

Kim Tae-young

Jung Hyeon-min· 1 ep

Seo Young-hee

Hyeon-min's mother· 1 ep

Lee Seok-jun

Hyeon-min's father· 1 ep

Yoon Young-min

Consultant· 1 ep

Cho Yeon-jin

Yeon-jun's mother· 1 ep

Chang Eun-ah

Da-hui's mother· 1 ep

Kim Da-huin

Yoon Tae-gyeong· 1 ep

Lee Ga-yeon

Ham Yu-ri· 1 ep

Jeon Seung-hoon

Seo Tae-hoon· 1 ep

So Yi-han

Kim In-jun· 1 ep

Kang Joon

Kim Hak-jae· 1 ep

Song Young-gyu

Ryu Gwang-pil· 1 ep

Kim Eun-seok

Principal Kim· 1 ep

Lee Ha-ye

Lee Min-ji· 1 ep

Lim Su-yeon

Kim Na-rae· 1 ep

Jang So-yun

Lee Na-yun· 1 ep

Jeon Kwang-jin

Teacher· 1 ep

Kwak Kyoung-hwa

Teacher· 1 ep

Choi In-sun

Substitute teacher· 1 ep

Park Wan-kyu

Dae-seok's father· 1 ep

Lee Gwang-hee

Lee Gwang-hee· 1 ep

Ham Jae-hyun

Ham Jae-hyun· 1 ep

Park Woo-young

Electrical student· 1 ep

Lee Dong-gi

Electrical student· 1 ep

Gu Bon-jin

Hyeon-ung's father· 1 ep

Kim Tae-yoo

Institute staff· 1 ep

Ok Il-jae

Prosecutors' office investigator· 1 ep

Han Ki-jang

Lawyer· 1 ep

Lee Su-ho

Kang Seo-jun· 1 ep

Lee Ji-hae

Seo-jun's mother· 1 ep

Choi Yi-jun

Student· 1 ep

Kim Eun-ho

Student· 1 ep

Park Si-hyun

Student· 1 ep

Kim Seong-yong

Bank manager· 1 ep

Han So-hyun

Bank teller· 1 ep

Lee Eun-joo

Prosecutor· 1 ep

Choi Young-min

Ministry of Education staff· 1 ep

Park Gang-to

Ministry of Education staff· 1 ep

Han Sun-ae

Student's mother· 1 ep

Lee Do-eun

Student's mother· 1 ep

Kim Soo-yeong

Student's mother· 1 ep

Bae Seong-il

Prison warden· 1 ep

Cho Yu-jin

Ji-ung's mother· 1 ep

Yeo Min-goo

Min-su's father· 1 ep

Jang Ji-yong

Du-hyeon's father· 1 ep

Yoo In-hye

U-seong's mother· 1 ep

Eom Ji-man

Detective· 1 ep

Ahn Chan-woong

Detective· 1 ep

Lee Hyung-joo

Teacher Lee· 1 ep

Kim Yu-bin

Student· 1 ep

Jo Hyun-wu

Jae-yun's father· 1 ep

Lee Seo-won

Jae-yun's mother· 1 ep

Chun Myung-woo

Gang member· 1 ep

Choi Jun-gyu

Gang member· 1 ep

Jeon Kyu-won

Student· 1 ep

Seo Hye-min

Teacher· 1 ep

Lee Seo-han

Seo Beom-su· 1 ep

Jo Jae-young

Detective· 1 ep

Kim Eun-young

School nurse· 1 ep

Shin Dong-jun

Lee Jong-su· 1 ep

Jeon Yeong

Seong-gu's mother· 1 ep

Park Ji-won

Chi-ho's mother· 1 ep

Eom Ju-yeon

Lee Ji-hyo· 1 ep

Jeong Jong-yeol

Committee chairman· 1 ep

Park Ryang-woo

Scam victim· 1 ep

Cho Tae-min

Motorcycle ad guy· 1 ep

Baek Na-gyeong

Student· 1 ep

Park Jae-hwi

Basketball player· 1 ep

Son Da-yeon

Han-rim's classmate· 1 ep

Park Kwan-woo

Han-rim's classmate· 1 ep

Jin Si-won

Reporter· 1 ep

Kim Dae-geun

MZ gang member· 1 ep

Jeon Young-woon

MZ gang member· 1 ep

Lee So-geum

Detective· 1 ep

Park Seung-hyun

Detective· 1 ep

Lee Seung-jin

Teacher· 1 ep

Han Nu-ri

Teacher· 1 ep

Seo Gwang-jae

Hearing chairperson· 1 ep

Lee Jae-woong

ERPB security guard· 1 ep

Kim Kwan-jang

Student's parent· 1 ep

Kim Min-seok

Parole examiner· 1 ep

Ha Na-ri

Teacher· 1 ep

Dok Ko-kwang

Teacher· 1 ep

Seo Ji-ho

Student· 1 ep