Sol Kyung-gu
Dong-hoon
Kim Hae-sook
Psychiatrist Jung-sook
Kwon Tae-won
Detective Squad Chief
Kim Sang-ho
Gwang-sik
Jeong Min-seong
Reporter
Ra Mi-ran
Young-suk's Mother
Yang Jin-sung
Do-kyung
Kang Hye-jung
Jong-sul
Uhm Ji-won
Mi-hee
Lee Re
So-won
Kang Shin-chul
Prosecutor
Jo Bok-rae
Cocomong Costumed Part-Timer
Seo Hyun-woo
Paramedic
Kim Ooh-jin
Judge
Ahn Se-ha
Cocomong Costumed Part-Timer
Jang Dae-woong
Young-suk's Friend
Park Eun-young
Parents' Association President
Cha Mi-kyeong
Vice Principal
Jo Moon-ee
Court-appointed Lawyer
Kim Jin-hyeok
Detective Seo
Jin Sun-mi
Head Nurse
Yoon Jong-goo
Mr. Kim
An Hui-ju
Parents' Association Member