Monster

Kim Go-eun

Bok-soon

Lee Min-ki

Tae-soo

An Seo-hyun

Na-ri

Kim Roi-ha

Ik-sang

Kim Bu-seon

Kyung-ja

Kim Bo-ra

Eun-jung

Nam Kyung-eup

Jeon

Han Da-eun

Yeon-hee

Bae Sung-woo

Sung-mun

Park Byung-eun

Gwang-su

Kim Gyung-ae

Bok-sun

Heo Joon-seok

Demolition Crew Chief

Choi Chung-ja

Elderly neighbor lady

Choi Dae-woong

Elderly man

Jo Bok-rae

Police

Yoo Jae-myung

Police

Kim Kwang-hyun

Bar man

Kim Sun-young

Landlady