Kim Moo-yul

Na Hwa-jin

Lee Sung-min

Choi Kang-seok

Jin Ki-joo

Im Han-rim

P.O

Bong Geun-dae

Kim Jong-soo

Hwang Gi-tae

Ahn Ha-young

Choi Ga-yun

Lee Bong-joon

Cho Gyu-cheol

Kim Beong-choun

Lee Cheol-myeon

Baek Ji-hye

Gi-tae's assistant

Choi Jae-sup

Kang Jun-man

Jeon Bong-seok

Kim Hyeong-ju

Ok Jin-uk

Cho In-beom

Yoo Tae-joo

Park Seong-hwan

Lee Sang-hee

Jung Seon-yeong

Park Seo-yun

Han Ye-ri

Jang Yo-hoon

Min Ji-ung

Leem Hyun-mook

Yun Min-su

Yoon Tae-sik

Lee Du-hyeon

Choi Hyun-joon

Choi U-seong

Kim Kyun-ha

Kim Su-gyeom

Do Geon-wu

Na Jung-hwan

Lee Woo-je

Jang Seong-gu

Kim Jae-seon

Lee Chi-ho

Lee Seung-noh

Jung Hyun-tae

Lee Jung-hwa

Ms. Min

Moon Dong-ho

Seo Jin-hyeok

Lee Ho-cheol

Reporter

Lee Chan-yong

Kim Gyeong-min

Lee Seung-gyu

Ryu Jun-hyeong

Jeong Soo-hyun

Park Dae-seok

Kim Do-gun

Kim Gwang-su

Lee Tae-hwan

Jang Kwon-hyuk

Seong No-jin

Principal

Byun Yun-jeong

Hyeong-ju's mother

Kim Chan-hyung

Du-mok

Kim Se-yeon

Jung So-yeong

Kwon Hyuk

Ko Yeong-su

Lee Si-young

Seon-yeong's friend

Jeong Seo-yeon

Yeong-su's wife

Park Yong

Principal

Seo Dong-hyeon

Oh Jung-hwan

Park Bo-bae

Park Hyeon-ju

Yoon Woon-yong

Teacher

Choi Deok-moon

Cheon Sang-yeol

Bae Jun-hyung

Park Hyeon-ung

Sim Su-bin

Jung Su-jeong

Kim Sun-hoa

Su-jeong's mother

Song Si-an

Choi Ji-seon

Yoon Hyun-gil

Ji-seon's mother

Jang Hee-jung

Lee Young-mi

Choi Ja-woon

Kim U-jin

Park Ji-yeon

Lee Ji-young

Kim Ye-rin

Yeon-seo

Kwon Dong-ho

Kim Seok-hyeon

Kang Ji-eun

Kim Ji-eun

Kim Chae-eun

Oh Yun-jin

Bae Jae-young

Lee Jae-yun

Jo Eun-sol

Shin Ji-su

Jo Jun-ho

Ji Seong-bin

Kim Tae-young

Jung Hyeon-min

Seo Young-hee

Hyeon-min's mother

Lee Seok-jun

Hyeon-min's father

Yoon Young-min

Consultant

Cho Yeon-jin

Yeon-jun's mother

Chang Eun-ah

Da-hui's mother

Kim Da-huin

Yoon Tae-gyeong

Lee Ga-yeon

Ham Yu-ri

Jeon Seung-hoon

Seo Tae-hoon

So Yi-han

Kim In-jun

Kang Joon

Kim Hak-jae

Song Young-gyu

Ryu Gwang-pil

Kim Eun-seok

Principal Kim

Lee Ha-ye

Lee Min-ji

Lim Su-yeon

Kim Na-rae

Jang So-yun

Lee Na-yun

Jeon Kwang-jin

Teacher

Kwak Kyoung-hwa

Teacher

Choi In-sun

Substitute teacher

Park Wan-kyu

Dae-seok's father

Lee Gwang-hee

Lee Gwang-hee

Ham Jae-hyun

Ham Jae-hyun

Park Woo-young

Electrical student

Lee Dong-gi

Electrical student

Gu Bon-jin

Hyeon-ung's father

Kim Tae-yoo

Institute staff

Ok Il-jae

Prosecutors' office investigator

Han Ki-jang

Lawyer

Lee Su-ho

Kang Seo-jun

Lee Ji-hae

Seo-jun's mother

Choi Yi-jun

Student

Kim Eun-ho

Student

Park Si-hyun

Student

Kim Seong-yong

Bank manager

Han So-hyun

Bank teller

Lee Eun-joo

Prosecutor

Choi Young-min

Ministry of Education staff

Park Gang-to

Ministry of Education staff

Han Sun-ae

Student's mother

Lee Do-eun

Student's mother

Kim Soo-yeong

Student's mother

Bae Seong-il

Prison warden

Cho Yu-jin

Ji-ung's mother

Yeo Min-goo

Min-su's father

Jang Ji-yong

Du-hyeon's father

Yoo In-hye

U-seong's mother

Eom Ji-man

Detective

Ahn Chan-woong

Detective

Lee Hyung-joo

Teacher Lee

Kim Yu-bin

Student

Jo Hyun-wu

Jae-yun's father

Lee Seo-won

Jae-yun's mother

Chun Myung-woo

Gang member

Choi Jun-gyu

Gang member

Jeon Kyu-won

Student

Seo Hye-min

Teacher

Lee Seo-han

Seo Beom-su

Jo Jae-young

Detective

Kim Eun-young

School nurse

Shin Dong-jun

Lee Jong-su

Jeon Yeong

Seong-gu's mother

Park Ji-won

Chi-ho's mother

Eom Ju-yeon

Lee Ji-hyo

Jeong Jong-yeol

Committee chairman

Park Ryang-woo

Scam victim

Cho Tae-min

Motorcycle ad guy

Baek Na-gyeong

Student

Park Jae-hwi

Basketball player

Son Da-yeon

Han-rim's classmate

Park Kwan-woo

Han-rim's classmate

Jin Si-won

Reporter

Kim Dae-geun

MZ gang member

Jeon Young-woon

MZ gang member

Lee So-geum

Detective

Park Seung-hyun

Detective

Lee Seung-jin

Teacher

Han Nu-ri

Teacher

Seo Gwang-jae

Hearing chairperson

Lee Jae-woong

ERPB security guard

Kim Kwan-jang

Student's parent

Kim Min-seok

Parole examiner

Ha Na-ri

Teacher

Dok Ko-kwang

Teacher

Seo Ji-ho

Student