Last Child

Choi Mu-sung

Seong-cheol

Kim Yeo-jin

Mi-sook

Sung Yoo-bin

Ki-hyeon

Kim Kyung-ik

Hyeon-kyu

Moon Young-dong

Chief Paperhanger

Lee Hwa-ryong

Homeroom Teacher

Park Chan

Jun-young

Kim Do-young

Jun-young's Mother

David Lee

Eun-chan

Ryu Ui-hyun

Jeong-seok

Jeong Hoi-joong

Han-seok

Kim Sang-woo

Ji-hong

Lee Min-jae

Seong-woo

Jung Tae-sung

Ho-seong

Gong Sang-a

Ji-sook

Seong Yeol-seok

Public Servant

Kim Choo-wol

Principal

Park Joo-young

Worker 1

Son Seok-bae

Worker 2

Park Young-jin

Worker 3

Baek Jeong-jip

Worker 4

Kim Kwang-sik

President Seong

Song Sook-hee

President Seong's Wife

Park Seong-yeon

Hyeon-kyu's Wife