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Portrait of Ko Chang-seok

Ko Chang-seok

Bio: Ko Chang-seok (고창석) is a South Korean film actor.

Born: Tue, Oct 13 1970

Birthplace: Busan, South Korea

Ko Chang-seok is 55 years old

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Movies (Acting Roles)

Sorted by Release Date

Poster of Boss

Ko Chang-seok was 54 in Boss as 'Manager Chu'.

Movie Released: Fri, Oct 03 2025

Poster of Believe

Ko Chang-seok was 54 in Believe as '(segment "come to an end")'.

Movie Released: Wed, Sep 17 2025

Poster of The Go-to Restaurant

The Go-to Restaurant

Ko Chang-seok was 54 in The Go-to Restaurant as 'Ko Shin-soo'.

Movie Released: Sun, Jul 13 2025

Poster of The Match

Ko Chang-seok was 54 in The Match as 'Seung-pil'.

Movie Released: Wed, Mar 26 2025

Poster of The Killers

Ko Chang-seok was 54 in The Killers as 'Smile (segment "Silent Cinema")'.

Movie Released: Wed, Oct 23 2024

Poster of Dream

Ko Chang-seok was 52 in Dream as 'Jeon Hyo-bong'.

Movie Released: Wed, Apr 26 2023

Poster of Countdown

Ko Chang-seok was 52 in Countdown as 'Principal'.

Movie Released: Wed, Feb 22 2023

Poster of Life Is Beautiful

Life Is Beautiful

Ko Chang-seok was 51 in Life Is Beautiful as 'Purser'.

Movie Released: Wed, Sep 28 2022

Poster of Project Wolf Hunting

Project Wolf Hunting

Ko Chang-seok was 51 in Project Wolf Hunting as 'Ko Geon-bae'.

Movie Released: Wed, Sep 21 2022

Poster of I Want to Know Your Parents

I Want to Know Your Parents

Ko Chang-seok was 51 in I Want to Know Your Parents as 'Teacher Jung'.

Movie Released: Wed, Apr 27 2022

Poster of Miracle: Letters to the President

Miracle: Letters to the President

Ko Chang-seok was 50 in Miracle: Letters to the President as 'Ra-hee's Father'.

Movie Released: Wed, Sep 15 2021

Poster of Sinkhole

Ko Chang-seok was 50 in Sinkhole as 'Fire Chief'.

Movie Released: Wed, Aug 11 2021

Poster of Innocence

Ko Chang-seok was 49 in Innocence as 'Seedsman'.

Movie Released: Wed, Jun 10 2020

Poster of Jesters: The Game Changers

Jesters: The Game Changers

Ko Chang-seok was 48 in Jesters: The Game Changers as 'Hong-chil'.

Movie Released: Wed, Aug 21 2019

Poster of Race to Freedom: Um Bok-dong

Race to Freedom: Um Bok-dong

Ko Chang-seok was 48 in Race to Freedom: Um Bok-dong as 'Ahn Do-min'.

Movie Released: Wed, Feb 27 2019

Poster of Dark Figure of Crime

Dark Figure of Crime

Ko Chang-seok was 47 in Dark Figure of Crime as 'Diving Captain Jam-soo'.

Movie Released: Wed, Oct 03 2018

Poster of Be With You

Ko Chang-seok was 47 in Be With You as 'Hong-gu'.

Movie Released: Wed, Mar 14 2018

Poster of 1987: When the Day Comes

1987: When the Day Comes

Ko Chang-seok was 47 in 1987: When the Day Comes as 'Journalist'.

Movie Released: Wed, Dec 27 2017

Poster of A Taxi Driver

Ko Chang-seok was 46 in A Taxi Driver as 'Sang-gu's Father'.

Movie Released: Wed, Aug 02 2017

Poster of Seondal: The Man Who Sells the River

Seondal: The Man Who Sells the River

Ko Chang-seok was 45 in Seondal: The Man Who Sells the River as 'Bo-won'.

Movie Released: Wed, Jul 06 2016

Poster of The Con Artists

The Con Artists

Ko Chang-seok was 44 in The Con Artists as 'Gu-in'.

Movie Released: Wed, Dec 24 2014

Poster of Slow Video

Ko Chang-seok was 43 in Slow Video as 'Doctor Seok'.

Movie Released: Thu, Oct 02 2014

Poster of Tabloid Truth

Ko Chang-seok was 43 in Tabloid Truth as 'Baek Moon'.

Movie Released: Thu, Feb 20 2014

Poster of The Huntresses

Ko Chang-seok was 43 in The Huntresses as 'Moo-Myung'.

Movie Released: Wed, Jan 29 2014

Poster of The Face Reader

The Face Reader

Ko Chang-seok was 42 in The Face Reader as 'Choi Dae-gam'.

Movie Released: Wed, Sep 11 2013

Poster of The Spy: Undercover Operation

The Spy: Undercover Operation

Ko Chang-seok was 42 in The Spy: Undercover Operation as 'Department head Jin'.

Movie Released: Thu, Sep 05 2013

Poster of Mr. Go

Ko Chang-seok was 42 in Mr. Go as 'Detective So'.

Movie Released: Wed, Jul 17 2013

Poster of Secretly, Greatly

Secretly, Greatly

Ko Chang-seok was 42 in Secretly, Greatly as 'Seo Sang-gu'.

Movie Released: Wed, Jun 05 2013

Poster of In Between

Ko Chang-seok was 42 in In Between

Movie Released: Thu, Nov 22 2012

Poster of Almost Che

Ko Chang-seok was 42 in Almost Che as 'Police officer Kim'.

Movie Released: Thu, Oct 25 2012

Poster of The Grand Heist

The Grand Heist

Ko Chang-seok was 41 in The Grand Heist as 'Hong Seok-chang'.

Movie Released: Wed, Aug 08 2012

Poster of Mr. XXX-Kisser

Ko Chang-seok was 41 in Mr. XXX-Kisser as 'Sung-cheol'.

Movie Released: Thu, Jun 21 2012

Poster of Miss Conspirator

Miss Conspirator

Ko Chang-seok was 41 in Miss Conspirator as 'Detective So'.

Movie Released: Wed, Jun 20 2012

Poster of Over My Dead Body

Over My Dead Body

Ko Chang-seok was 41 in Over My Dead Body as 'Hwang Seong-goo'.

Movie Released: Thu, Mar 29 2012

Poster of Mr. Idol

Ko Chang-seok was 41 in Mr. Idol as 'Han Jong-tak'.

Movie Released: Thu, Nov 03 2011

Poster of Quick

Ko Chang-seok was 40 in Quick as 'Detective Seo'.

Movie Released: Wed, Jul 20 2011

Poster of The Front Line

Ko Chang-seok was 40 in The Front Line as 'Yang Hyo-sam'.

Movie Released: Wed, Jul 20 2011

Poster of The Showdown

Ko Chang-seok was 40 in The Showdown as 'Du-soo'.

Movie Released: Thu, Feb 24 2011

Poster of Little Black Dress

Little Black Dress

Ko Chang-seok was 40 in Little Black Dress as 'Director'.

Movie Released: Sat, Jan 22 2011

Poster of Hello Ghost

Ko Chang-seok was 40 in Hello Ghost as 'Chain-smoking Ghost'.

Movie Released: Thu, Dec 23 2010

Poster of Second Half

Ko Chang-seok was 40 in Second Half as 'Seafood Restaurant Owner'.

Movie Released: Thu, Oct 28 2010

Poster of A Barefoot Dream

A Barefoot Dream

Ko Chang-seok was 39 in A Barefoot Dream as 'Park In-gi'.

Movie Released: Thu, Jun 24 2010

Poster of Secret Reunion

Ko Chang-seok was 39 in Secret Reunion as 'Vietnam Boss'.

Movie Released: Thu, Feb 04 2010

Poster of City of Fathers

City of Fathers

Ko Chang-seok was 39 in City of Fathers as 'Kim Kang-soo'.

Movie Released: Thu, Oct 15 2009

Poster of The Case of Itaewon Homicide

The Case of Itaewon Homicide

Ko Chang-seok was 38 in The Case of Itaewon Homicide as 'Alex's father'.

Movie Released: Thu, Sep 10 2009

Poster of Insadong Scandal

Insadong Scandal

Ko Chang-seok was 38 in Insadong Scandal as 'Hojinsa, forgery factory president'.

Movie Released: Wed, Apr 29 2009

Poster of Antique

Ko Chang-seok was 38 in Antique as 'Gay Club Master'.

Movie Released: Thu, Nov 13 2008

Poster of Rough Cut

Ko Chang-seok was 37 in Rough Cut as 'Director Bong'.

Movie Released: Thu, Sep 11 2008

Poster of Going by the Book

Going by the Book

Ko Chang-seok was 36 in Going by the Book as 'Woo Jong-dae'.

Movie Released: Sat, Aug 18 2007

Poster of No Mercy for the Rude

No Mercy for the Rude

Ko Chang-seok was 35 in No Mercy for the Rude as 'Piano'.

Movie Released: Thu, Aug 24 2006

Poster of Ice Bar

Ko Chang-seok was 35 in Ice Bar as 'Cop'.

Movie Released: Thu, Aug 24 2006

Poster of The Host

Ko Chang-seok was 35 in The Host as 'Nurse'.

Movie Released: Thu, Jul 27 2006

Poster of Running Wild

Ko Chang-seok was 35 in Running Wild as 'Gang Member'.

Movie Released: Fri, Jan 13 2006

Poster of Lady Vengeance

Ko Chang-seok was 34 in Lady Vengeance as 'Woo So-young's Husband'.

Movie Released: Fri, Jul 29 2005

Poster of The Last Wolf

Ko Chang-seok was 33 in The Last Wolf as 'Narrow Eyes'.

Movie Released: Thu, Apr 01 2004

Poster of Superman in Early Summer

Superman in Early Summer

Ko Chang-seok was 31 in Superman in Early Summer as 'Superman'.

Movie Released: Fri, Nov 09 2001

Poster of Survival

Ko Chang-seok will be 55+ in Survival

Movie Released: Unreleased

TV Shows (Acting Roles)

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Poster of Dead-End Job

Ko Chang-seok will be 55+ in Dead-End Job

TV Show Released: First Air Date
Fri, Oct 09 2026

Poster of Director's Arena

Director's Arena

Ko Chang-seok was 55+ in Director's Arena as 'Self (archive footage)'.

TV Show Released: First Air Date
Fri, May 15 2026

Poster of The Dream Life of Mr. Kim

The Dream Life of Mr. Kim

Ko Chang-seok was 55+ in The Dream Life of Mr. Kim as 'Kim Chang-su'.

TV Show Released: First Air Date
Sat, Oct 25 2025

Poster of Way Back Love

Ko Chang-seok was 54+ in Way Back Love as 'Jeong Yil-beom'.

TV Show Released: First Air Date
Thu, Apr 03 2025

Poster of My Dearest Nemesis

My Dearest Nemesis

Ko Chang-seok was 54+ in My Dearest Nemesis as 'Baek Won-seob'.

TV Show Released: First Air Date
Mon, Feb 17 2025

Poster of Melo Movie

Ko Chang-seok was 54+ in Melo Movie as 'Ma Seong-u'.

TV Show Released: First Air Date
Fri, Feb 14 2025

Poster of Se-ri's Kitchen

Se-ri's Kitchen

Ko Chang-seok was 53+ in Se-ri's Kitchen as 'Self'.

TV Show Released: First Air Date
Sun, Apr 28 2024

Poster of Chicken Nugget

Ko Chang-seok was 53+ in Chicken Nugget as 'Baek-joong's father'.

TV Show Released: First Air Date
Fri, Mar 15 2024

Poster of Glitch

Ko Chang-seok was 51+ in Glitch as 'Kim Chan-woo'.

TV Show Released: First Air Date
Fri, Oct 07 2022

Poster of Today's Webtoon

Today's Webtoon

Ko Chang-seok was 51+ in Today's Webtoon as 'On Ki-bong'.

TV Show Released: First Air Date
Fri, Jul 29 2022

Poster of Kingdom: Legendary War

Kingdom: Legendary War

Ko Chang-seok was 50+ in Kingdom: Legendary War as 'Self - Guest'.

TV Show Released: First Air Date
Thu, Apr 01 2021

Poster of The Game Caterers

The Game Caterers

Ko Chang-seok was 50+ in The Game Caterers as 'Self'.

TV Show Released: First Air Date
Fri, Mar 12 2021

Poster of The Good Detective

The Good Detective

Ko Chang-seok was 49+ in The Good Detective as 'Cha Moon-Ho'.

TV Show Released: First Air Date
Mon, Jul 06 2020

Poster of House on Wheels

House on Wheels

Ko Chang-seok was 49+ in House on Wheels as 'Self'.

TV Show Released: First Air Date
Thu, Jun 11 2020

Poster of Memorist

Ko Chang-seok was 49+ in Memorist as 'Goo Kyung-tan'.

TV Show Released: First Air Date
Wed, Mar 11 2020

Poster of Arthdal Chronicles

Arthdal Chronicles

Ko Chang-seok was 48+ in Arthdal Chronicles as 'Tae-ap-dok'.

TV Show Released: First Air Date
Sat, Jun 01 2019

Poster of Encounter

Ko Chang-seok was 48+ in Encounter as 'Nam Myeong-sik'.

TV Show Released: First Air Date
Wed, Nov 28 2018

Poster of The Miracle We Met

The Miracle We Met

Ko Chang-seok was 47+ in The Miracle We Met as 'Song Hyun-chul (B)'.

TV Show Released: First Air Date
Mon, Apr 02 2018

Poster of Overgrown Bromance

Overgrown Bromance

Ko Chang-seok was 46+ in Overgrown Bromance as 'Self'.

TV Show Released: First Air Date
Tue, Oct 10 2017

Poster of My Little Old Boy

My Little Old Boy

Ko Chang-seok was 45+ in My Little Old Boy

TV Show Released: First Air Date
Fri, Aug 26 2016

Poster of Reply 1988

Ko Chang-seok was 45+ in Reply 1988 as 'Mi-ok's father'.

TV Show Released: First Air Date
Fri, Nov 06 2015

Poster of Kill Me, Heal Me

Kill Me, Heal Me

Ko Chang-seok was 44+ in Kill Me, Heal Me as 'Dr. Seok Ho-pil'.

TV Show Released: First Air Date
Wed, Jan 07 2015

Poster of The Night Watchman

The Night Watchman

Ko Chang-seok was 43+ in The Night Watchman as 'Minister Ddoong'.

TV Show Released: First Air Date
Mon, Aug 04 2014

Poster of Good Doctor

Ko Chang-seok was 42+ in Good Doctor as 'Jo Jung-mi'.

TV Show Released: First Air Date
Mon, Aug 05 2013

Poster of Ad Genius Lee Tae-baek

Ad Genius Lee Tae-baek

Ko Chang-seok was 42+ in Ad Genius Lee Tae-baek as 'Ma Jin-ga'.

TV Show Released: First Air Date
Mon, Feb 04 2013

Poster of Running Man

Ko Chang-seok was 39+ in Running Man

TV Show Released: First Air Date
Sun, Jul 11 2010

Poster of Dream

Ko Chang-seok was 38+ in Dream as 'Straw'.

TV Show Released: First Air Date
Mon, Jul 27 2009

Poster of Friend, Our Legend

Friend, Our Legend

Ko Chang-seok was 38+ in Friend, Our Legend as 'Boat Captain'.

TV Show Released: First Air Date
Sat, Jun 27 2009

Poster of Infinite Challenge

Infinite Challenge

Ko Chang-seok was 34+ in Infinite Challenge as 'Self'.

TV Show Released: First Air Date
Sat, Apr 23 2005