I Want to Know Your Parents

Kim Ji-hoon

Director

Sol Kyung-gu

Kang Ho-chang

Dal-su Oh

Do Ji-yeol

Woo-hee Chun

Song Jung-wook

Bong-gyu Lee

Fishing room grandfather

Chang-Seok Ko

Teacher Jeong

Jeong Do-won

Doctor

Nam Gi-ae

Gyoo Beom-hal

Kim Hong-pa

Park Moo-taek

Jae-Sang Yoo

Kim Geon-woo

No Jeong-ee

Nam Ji-ho

Lee Ji Eun

Yoon-jae's mom

Yoon Kyung-ho

Public Prosecutor

Seung-gil Jeong

Police sergeant Lee

Kang Shin-il

Principal

Moon So-ri

Geon-woo's mom

Jung Taek-Hyun

Jeong Yi-deun

Yoo-An Jung

Do Yoon-jae

Yoo-Bin Sung

Kang Han-gyeol

Gim Gyungmi

Writer

Seigo Hitazawa

Writer