Choi Moo-seong as Seong-cheol

Kim Yeo-jin as Mi-sook

Seong Yu-bin as Ki-hyeon

Kim Kyung-ik as Hyeon-kyu

Moon Young-dong as Chief Paperhanger

Lee Hwa-ryong as Homeroom Teacher

Park Chan as Jun-young

Kim Do-young as Jun-young's Mother

David Lee as Eun-chan

Ryu Ui-hyun as Jeong-seok

Jeong Hoi-joong as Han-seok

Kim Sang-woo as Ji-hong

Lee Min-jae as Seong-woo

Jung Tae-sung as Ho-seong

Gong Sang-a as Ji-sook

Seong Yeol-seok as Public Servant

Kim Choo-wol as Principal

Park Joo-young as Worker 1

Son Seok-bae as Worker 2

Park Young-jin as Worker 3

Baek Jeong-jip as Worker 4

Kim Kwang-sik as President Seong

Song Sook-hee as President Seong's Wife

Park Seong-yeon as Hyeon-kyu's Wife

Eom Ok-ran as President Kim's Wife

Choi Yo-han as Ho-seong's Father

Yun Bu-jin as Ji-hong's Mother

Lee Seung-hun as Ji-hong's Father

Kim Jae-man as Seong-woo's Father

Kim Gi-song as Detective Kim

Jang Jun-whee as Detective Choi

Hong Sang-pyo as Detective Jeong

Kim Do-hyun as Chicken Restaurant Boss

Kwak Ja-hyung as Public Prosecutor

Jeon Seok-chan as District Police

An Min-young as Landlord

Kim Joon-bum as Obstetrician

Kim Hye-won as Obstetrics Nurse

Choi Chan-sook as Mi-sook's Mother

Han Jin-seong as Han-seok's Older Brother

Kim Jae-seong as County Office Chairperson

Jang Seung-hwa as Photographer

Kim Sang-beom as Country Governor

Jo Nam-hyeon as President Kim

Wang Hyo-jeong as Baby Clothes Store Employee

Lee Soon-ok as Paperhanger Judge

Kim Kwang-shik as President Sung