D.P.

Jung Hae-in

An Jun-ho

Koo Kyo-hwan

Han Ho-yeol

김성균

Park Beom-gu

Son Seok-koo

Lim Ji-seop

정석용

Oh Min-u

김지현

Seo-eun

지진희

Gu Ja-woon

Lee Jun-young

Jung Hyun Min

박세준

Heo Gi-yeong

Cho Hyun-chul

Cho Suk-bong

김범수

Kim Il-seok

신승호

Hwang Jang-soo

문상훈

Kim Ru-ri

이설

Shin Hye-yeon

Park Mi-Hyeon

Jun-ho's Mother

Hyun Bong-sik

Chun Yong-duk

주종혁

Lee Hyo-sang

Lee Gyu-hoe

Yang Du-gwan

고경표

Park Sung-woo

Kwon Hae-hyo

Jun-ho's Father

Hong Kyung

Ryu I-gang

Yoo Su-bin

Park Se-ung

권다함

Jeong Hyeong-beom

박정우

Shin Woo-suk

김동영

Choi Jun-mok

황정민

Ru-ri's mother

Yang Mal-bok

Hyeong-beom's mother

나현우

Jeon Seon-ho

Won Ji An

Mun Yeong-ok

Lee Yeon

An Su-jin

오민애

Jun-mok's mother

최준영

Heo Chi-do

배유람

Kim Gyu

Han Woo-yeol

Tae Seong-gon

박근혜

Self (archive footage)

나철

Detective Na

Lee Joong-ok

Sauna manager

이상훈

Hyeon-min's father

배제기

Detective Bae

최종원

Old Man

Oh Jee-hye

Ji Yu-na

박윤희

Seo Chang-dae

Bae Na-ra

Jang Sung-min

윤대열

Broker

송재룡

Heo Tae-san

Im Sung-jae

Na Jung-seok

최현욱

Shin A-hwi

이자령

Middle-aged Woman

이우정

Nursing officer

Im Su-hyung

Detective

Hong Seok-bin

Factory Director

염지영

Check-in Counter Staff