Seo Dong-soo

Voice of Silence

Young-mook

Habitat

Neighbor

Elephant in the Room

Doctor Seo

National Security

Section Chief Baek

A Werewolf Boy

Army Colonel (uncredited)

Thirst

Hyo-seong

Running Turtle

Fat Man

White Night

Crime lab investigation team leader (uncredited)

Private Eye

Fat Man

Seven Days

Dr. Cho

M

Editor in chief

Tazza: The High Rollers

Yong-pal

Duelist

Bongchulpae

Pisces

Blue Note Owner

Bitter and Sweet

Security guard Kang

First Love

Seoul University Theatre Class