Cast 143
Kim Moo-yulNa Hwa-jin
Lee Sung-minChoi Kang-seok
Jin Ki-jooIm Han-rim
Pyo Ji-hoonBong Geun-dae
Kim Jong-sooHwang Gi-tae
Ahn Ha-youngChoi Ga-yun
Lee Bong-joonCho Gyu-cheol
Lee Chan-yongKim Gyeong-min
Lee Seung-gyuRyu Jun-hyeong
Jeong Soo-hyunPark Dae-seok
Kim Do-gunKim Gwang-su
Jeon Bong-seokKim Hyeong-ju
Ok Jin-ukCho In-beom
Yoo Tae-jooPark Seong-hwan
Lee Tae-hwanJang Kwon-hyuk
Seong No-jinPrincipal
Byun Yun-jeongHyeong-ju's mother
Kim Chan-hyungDu-mok
Lee Sang-heeJung Seon-yeong
Park Seo-yunHan Ye-ri
Kim Se-yeonJung So-yeong
Kwon HyukKo Yeong-su
Lee Si-youngSeon-yeong's friend
Jeong Seo-yeonYeong-su's wife
Park YongPrincipal
Seo Dong-hyeonOh Jung-hwan
Park Bo-baePark Hyeon-ju
Yoon Woon-yongTeacher
Choi Deok-moonCheon Sang-yeol
Bae Jun-hyungPark Hyeon-ung
Sim Su-binJung Su-jeong
Kim Sun-hoaSu-jeong's mother
Kim Beong-chounLee Cheol-myeon
Song Si-anChoi Ji-seon
Yoon Hyun-gilJi-seon's mother
Jang Hee-jungLee Young-mi
Choi Ja-woonKim U-jin
Park Ji-yeonLee Ji-young
Kim Ye-rinYeon-seo
Kwon Dong-hoKim Seok-hyeon
Kang Ji-eunKim Ji-eun
Jang Yo-hoonMin Ji-ung
Leem Hyun-mookYun Min-su
Yoon Tae-sikLee Du-hyeon
Choi Hyun-joonChoi U-seong
Kim Chae-eunOh Yun-jin
Kim Kyun-haKim Su-gyeom
Do Geon-wuNa Jung-hwan
Bae Jae-youngLee Jae-yun
Jo Eun-solShin Ji-su
Jo Jun-hoJi Seong-bin
Kim Tae-youngJung Hyeon-min
Seo Young-heeHyeon-min's mother
Lee Seok-junHyeon-min's father
Yoon Young-minConsultant
Cho Yeon-jinYeon-jun's mother
Chang Eun-ahDa-hui's mother
Lee Woo-jeJang Seong-gu
Kim Jae-seonLee Chi-ho
Kim Da-huinYoon Tae-gyeong
Baek Ji-hyeGi-tae's assistant
Choi Jae-supKang Jun-man
Lee Ga-yeonHam Yu-ri
Jeon Seung-hoonSeo Tae-hoon
So Yi-hanKim In-jun
Kang JoonKim Hak-jae
Song Young-gyuRyu Gwang-pil
Kim Eun-seokPrincipal Kim
Lee Ha-yeLee Min-ji
Lim Su-yeonKim Na-rae
Jang So-yunLee Na-yun
Jeon Kwang-jinTeacher
Kwak Kyoung-hwaTeacher
Choi In-sunSubstitute teacher
Park Wan-kyuDae-seok's father
Lee Gwang-heeLee Gwang-hee
Ham Jae-hyunHam Jae-hyun
Park Woo-youngElectrical student
Lee Dong-giElectrical student
Gu Bon-jinHyeon-ung's father
Kim Tae-yooInstitute staff
Ok Il-jaeProsecutors' office investigator
Han Ki-jangLawyer
Lee Su-hoKang Seo-jun
Lee Ji-haeSeo-jun's mother
Choi Yi-junStudent
Kim Eun-hoStudent
Park Si-hyunStudent
Kim Seong-yongBank manager
Han So-hyunBank teller
Lee Eun-jooProsecutor
Choi Young-minMinistry of Education staff
Park Gang-toMinistry of Education staff
Han Sun-aeStudent's mother
Lee Do-eunStudent's mother
Kim Soo-yeongStudent's mother
Bae Seong-ilPrison warden
Cho Yu-jinJi-ung's mother
Yeo Min-gooMin-su's father
Jang Ji-yongDu-hyeon's father
Yoo In-hyeU-seong's mother
Eom Ji-manDetective
Ahn Chan-woongDetective
Lee Hyung-jooTeacher Lee
Kim Yu-binStudent
Jo Hyun-wuJae-yun's father
Lee Seo-wonJae-yun's mother
Chun Myung-wooGang member
Choi Jun-gyuGang member
Jeon Kyu-wonStudent
Seo Hye-minTeacher
Lee Seo-hanSeo Beom-su
Jo Jae-youngDetective
Kim Eun-youngSchool nurse
Shin Dong-junLee Jong-su
Lee Seung-nohJung Hyun-tae
Lee Jung-hwaMs. Min
Jeon YeongSeong-gu's mother
Park Ji-wonChi-ho's mother
Eom Ju-yeonLee Ji-hyo
Jeong Jong-yeolCommittee chairman
Moon Dong-hoSeo Jin-hyeok
Park Ryang-wooScam victim
Cho Tae-minMotorcycle ad guy
Baek Na-gyeongStudent
Park Jae-hwiBasketball player
Son Da-yeonHan-rim's classmate
Park Kwan-wooHan-rim's classmate
Lee Ho-cheolReporter
Jin Si-wonReporter
Kim Dae-geunMZ gang member
Jeon Young-woonMZ gang member
Lee So-geumDetective
Park Seung-hyunDetective
Lee Seung-jinTeacher
Han Nu-riTeacher
Seo Gwang-jaeHearing chairperson
Lee Jae-woongERPB security guard
Kim Kwan-jangStudent's parent
Kim Min-seokParole examiner
Ha Na-riTeacher
Dok Ko-kwangTeacher
Seo Ji-hoStudent
