I Want to Know Your Parents - Cast

Sul Kyung-gu

Kang Ho-chang
Actor

Chun Woo-hee

Song Jung-wook
Actor

Moon So-ri

Gun-woo's mother
Actor

Oh Dal-su

Do Ji-yeol
Actor

Ko Chang-seok

Teacher Jung
Actor

Kang Shin-il

Principal
Actor

Sung Yu-been

Kang Han-gyeol
Actor

Nam Kee-ae

Gyu-beom's grandmother
Actor

Lee Mi-eun

E-den's mother
Actor

Yoo Jae-sang

Gun-woo
Actor

Jung Yoo-ahn

Yoon-jae
Actor

Jeong Taek-hyeon

E-den
Actor

Roh Jeong-eui

Ji-ho
Actor

Jung Seung-kil

Police
Actor

Lee Bong-gyu

Actor

Kim Seung-o

(uncredited)
Actor

Choi Sun-ja

Actor

Lee Na-ra

Kang Han-gyeol Mother
Actor