I Want to Know Your Parents

Sul Kyung-gu

as

Kang Ho-chang

Chun Woo-hee

as

Song Jung-wook

Moon So-ri

as

Gun-woo's moth...

Oh Dal-su

as

Do Ji-yeol

Ko Chang-seok

as

Teacher Jung

Kang Shin-il

as

Principal

Sung Yu-been

as

Kang Han-gyeol

Nam Kee-ae

as

Gyu-beom's gra...

Lee Mi-eun

as

E-den's mother

Yoo Jae-sang

as

Gun-woo

Jung Yoo-ahn

as

Yoon-jae

Jeong Taek-hye...

as

E-den

Roh Jeong-eui

as

Ji-ho

Jung Seung-kil

as

Police

Lee Bong-gyu

Kim Seung-o

as

(uncredited)

Choi Sun-ja

Lee Na-ra

as

Kang Han-gyeol...