Ko Chang-seok

Boss

2025

Slow Video

2014 · Doctor Seok

The Front Line

2011 · Yang Hyo-sam

Rough Cut (2008)

2008 · Director Bong

A Taxi Driver

2017

Race to Freedom: Um Bok-dong

2019 · Ahn Do-min

Jesters: The Game Changers

2019 · Hong-chil

The Match (2025)

2025 · Seung-pil

Almost Che

2012 · Police officer Kim

Going by the Book

2007 · Woo Jong-dae (uncredited)

Miss Conspirator

2012 · Detective So

The Grand Heist

2012 · Hong Seok-chang

Miracle: Letters to the President

2021 · Ra-hee's Father

The Huntresses

2014 · Moo-Myung

Hello Ghost

2010 · Chain-smoking Ghost

Running Wild (2006)

2006

Seondal: The Man Who Sells the River

2016 · Bo-won

Antique

2008

The Case of Itaewon Homicide

2009 · Alex's father

The Face Reader

2013 · Choi Dae-gam

A Barefoot Dream

2010 · Park In-Gi

Be with You (2018)

2018 · Hong-gu

Mr. Go

2013 · Detective So

Dream

2023 · Jeon Hyo-bong

Secretly, Greatly

2013 · Seo Sang-gu

I Want to Know Your Parents

2022 · Teacher Jung

Life Is Beautiful (2022)

2022

Innocence (2020)

2020 · Seedsman

Project Wolf Hunting

2022 · Ko Geon-bae

The Dream Life of Mr. Kim

2025