Sul Kyung-gu

Kang Ho-chang

Acting

Chun Woo-hee

Song Jung-wook

Acting

Moon So-ri

Gun-woo's mother

Acting

Oh Dal-su

Do Ji-yeol

Acting

Ko Chang-seok

Teacher Jung

Acting

Kang Shin-il

Principal

Acting

Sung Yu-been

Kang Han-gyeol

Acting

Nam Kee-ae

Gyu-beom's grandmother

Acting

Lee Mi-eun

E-den's mother

Acting

Yoo Jae-sang

Gun-woo

Acting

Jung Yoo-ahn

Yoon-jae

Acting

Jeong Taek-hyeon

E-den

Acting

Roh Jeong-eui

Ji-ho

Acting

Jung Seung-kil

Police

Acting

Lee Bong-gyu

Acting

Kim Seung-o

(uncredited)

Acting

Choi Sun-ja

Acting