설경구

Dong-hoon

엄지원

Mi-hee

이레

So-won

김상호

Gwang-sik

김해숙

Psychiatrist Jung-sook

라미란

Young-suk's Mother

권태원

Detective Squad Chief

Kang Shin-chul

Prosecutor

서현우

Paramedic

차미경

Vice Principal

정민성

Reporter

안세하

Cocomong Costumed Part-Timer

조복래

Cocomong Costumed Part-Timer

조문의

Court-appointed Lawyer

Kim Ooh-jin

Judge

양진성

Do-kyung

Kim Do-yeob

Young-suk

Kim Jin-hyeok

Detective Seo

Jin Sun-mi

Head Nurse

Jang Dae-woong

Young-suk's Friend

Yoon Jong-goo

Mr. Kim

Jo Moon Eui

Gook-sun

강혜정

Jong-sul

Park Eun-young

Parents' Association President

An Hui-ju

Parents' Association Member