I Want to Know Your Parents

Sul Kyung-gu

Kang Ho-chang

Chun Woo-hee

Song Jung-wook

Moon So-ri

Gun-woo's mother

Oh Dal-su

Do Ji-yeol

Ko Chang-seok

Teacher Jung

Kang Shin-il

Principal

Sung Yoo-bin

Kang Han-gyeol

Nam Kee-ae

Gyu-beom's grandmother

Lee Mi-eun

E-den's mother

Yoo Jae-sang

Gun-woo

Jung Yoo-ahn

Yoon-jae

Jeong Taek-hyeon

E-den

Roh Jeong-eui

Ji-ho

Jung Seung-kil

Police

Lee Bong-gyu

Kim Seung-o

(uncredited)

Choi Sun-ja

Lee Na-ra

Kang Han-gyeol Mother

Kim Gyeong-mi

Writer

Kim Tae-seong

Original Music Composer

Shin Min-kyung

Editor

Lee Chang-jae

Director of Photography

Choi Jung-in

Original Music Composer

Yu Young-ah

Writer

Kim Ho-sung

Executive Producer

Jin Il-kyu

Producer

Lee Soo-nam

Executive Producer

Kim Ji-hoon

Director