Movies (Acting Roles)
The Killers
Ko Chang-seok was 54 in The Killers as 'Smile (segment "Silent Cinema")'.Movie Released: Wed, Oct 23 2024
Dream
Ko Chang-seok was 52 in Dream as 'Jeon Hyo-bong'.Movie Released: Wed, Apr 26 2023
Countdown
Ko Chang-seok was 52 in Countdown as 'Principal'.Movie Released: Wed, Feb 22 2023
Life Is Beautiful
Ko Chang-seok was 51 in Life Is Beautiful as 'Purser'.Movie Released: Wed, Sep 28 2022
Project Wolf Hunting
Ko Chang-seok was 51 in Project Wolf Hunting as 'Ko Geon-bae'.Movie Released: Wed, Sep 21 2022
Sinkhole
Ko Chang-seok was 50 in Sinkhole as 'Fire Chief'.Movie Released: Wed, Aug 11 2021
Innocence
Ko Chang-seok was 49 in Innocence as 'Seedsman'.Movie Released: Wed, Jun 10 2020
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
Be with You
Ko Chang-seok was 47 in Be with You as 'Hong-gu'.Movie Released: Wed, Mar 14 2018
1987: When the Day Comes
Ko Chang-seok was 47 in 1987: When the Day Comes as 'Journalist (cameo) (uncredited)'.Movie Released: Wed, Dec 27 2017
A Taxi Driver
Ko Chang-seok was 46 in A Taxi Driver as 'Sang-gu's Father'.Movie Released: Wed, Aug 02 2017
The Con Artists
Ko Chang-seok was 44 in The Con Artists as 'Gu-in'.Movie Released: Wed, Dec 24 2014
Slow Video
Ko Chang-seok was 43 in Slow Video as 'Doctor Seok'.Movie Released: Thu, Oct 02 2014
Tabloid Truth
Ko Chang-seok was 43 in Tabloid Truth as 'Baek Moon'.Movie Released: Thu, Feb 20 2014
The Huntresses
Ko Chang-seok was 43 in The Huntresses as 'Moo-Myung'.Movie Released: Wed, Jan 29 2014
The Face Reader
Ko Chang-seok was 42 in The Face Reader as 'Choi Dae-gam'.Movie Released: Wed, Sep 11 2013
Mr. Go
Ko Chang-seok was 42 in Mr. Go as 'Detective So'.Movie Released: Wed, Jul 17 2013
Secretly, Greatly
Ko Chang-seok was 42 in Secretly, Greatly as 'Seo Sang-gu'.Movie Released: Wed, Jun 05 2013
In Between
Ko Chang-seok was 42 in In Between Movie Released: Thu, Nov 22 2012
Almost Che
Ko Chang-seok was 42 in Almost Che as 'Police officer Kim'.Movie Released: Thu, Oct 25 2012
The Grand Heist
Ko Chang-seok was 41 in The Grand Heist as 'Hong Seok-chang'.Movie Released: Wed, Aug 08 2012
Mr. XXX-Kisser
Ko Chang-seok was 41 in Mr. XXX-Kisser as 'Sung-cheol'.Movie Released: Thu, Jun 21 2012
Miss Conspirator
Ko Chang-seok was 41 in Miss Conspirator as 'Detective So'.Movie Released: Wed, Jun 20 2012
Over My Dead Body
Ko Chang-seok was 41 in Over My Dead Body as 'Hwang Seong-goo'.Movie Released: Thu, Mar 29 2012
Mr. Idol
Ko Chang-seok was 41 in Mr. Idol as 'Han Jong-tak'.Movie Released: Thu, Nov 03 2011
Quick
Ko Chang-seok was 40 in Quick as 'Detective Seo'.Movie Released: Wed, Jul 20 2011
The Front Line
Ko Chang-seok was 40 in The Front Line as 'Yang Hyo-sam'.Movie Released: Wed, Jul 20 2011
The Showdown
Ko Chang-seok was 40 in The Showdown as 'Du-soo'.Movie Released: Thu, Feb 24 2011
Little Black Dress
Ko Chang-seok was 40 in Little Black Dress as 'Director'.Movie Released: Sat, Jan 22 2011
Hello Ghost
Ko Chang-seok was 40 in Hello Ghost as 'Chain-smoking Ghost'.Movie Released: Thu, Dec 23 2010
Second Half
Ko Chang-seok was 40 in Second Half as 'Seafood Restaurant Owner'.Movie Released: Thu, Oct 28 2010
A Barefoot Dream
Ko Chang-seok was 39 in A Barefoot Dream as 'Park In-Gi'.Movie Released: Thu, Jun 24 2010
Secret Reunion
Ko Chang-seok was 39 in Secret Reunion as 'Vietnam Boss'.Movie Released: Thu, Feb 04 2010
City Of Fathers
Ko Chang-seok was 39 in City Of Fathers as 'Kim Kang-soo'.Movie Released: Thu, Oct 15 2009
Insadong Scandal
Ko Chang-seok was 38 in Insadong Scandal as 'Hojinsa, forgery factory president'.Movie Released: Thu, Apr 30 2009
Antique
Ko Chang-seok was 38 in Antique as 'Gay Club Master'.Movie Released: Thu, Nov 13 2008
Rough Cut
Ko Chang-seok was 37 in Rough Cut as 'Director Bong'.Movie Released: Thu, Sep 11 2008
Going by the Book
Ko Chang-seok was 36 in Going by the Book as 'Woo Jong-dae (uncredited)'.Movie Released: Sat, Aug 18 2007
Ice Bar
Ko Chang-seok was 35 in Ice Bar as 'Cop'.Movie Released: Thu, Aug 24 2006
No Mercy for the Rude
Ko Chang-seok was 35 in No Mercy for the Rude as 'Piano'.Movie Released: Thu, Aug 24 2006
The Host
Ko Chang-seok was 35 in The Host as 'Nurse'.Movie Released: Thu, Jul 27 2006
Running Wild
Ko Chang-seok was 35 in Running Wild as 'Gang Member'.Movie Released: Fri, Jan 13 2006
Lady Vengeance
Ko Chang-seok was 34 in Lady Vengeance as 'Woo So-young's Husband'.Movie Released: Fri, Jul 29 2005
The Last Wolf
Ko Chang-seok was 33 in The Last Wolf as 'Narrow Eyes'.Movie Released: Thu, Apr 01 2004
The Go to Restaurant
Ko Chang-seok will be 54+ in The Go to Restaurant as 'Ko Shin-soo'.Movie Released: Unreleased
The Match
Ko Chang-seok will be 54+ in The Match Movie Released: Unreleased
TV Shows (Acting Roles)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate agesMy Dearest Nemesis
Ko Chang-seok will be 54+ in My Dearest Nemesis as 'Baek Won-seob'.TV Show Released: First Air Date
Mon, Feb 17 2025
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
Glitch
Ko Chang-seok was 51+ in Glitch as 'Kim Chanwoo'.TV Show Released: First Air Date
Fri, Oct 07 2022
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
The Game Caterers
Ko Chang-seok was 50+ in The Game Caterers as 'Self'.TV Show Released: First Air Date
Fri, Mar 12 2021
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
House on Wheels
Ko Chang-seok was 49+ in House on Wheels as 'Self'.TV Show Released: First Air Date
Thu, Jun 11 2020
Memorist
Ko Chang-seok was 49+ in Memorist as 'Goo Kyung Tan'.TV Show Released: First Air Date
Wed, Mar 11 2020
Arthdal Chronicles
Ko Chang-seok was 48+ in Arthdal Chronicles as 'Tae-ap-dok'.TV Show Released: First Air Date
Sat, Jun 01 2019
Encounter
Ko Chang-seok was 48+ in Encounter as 'Nam Myeong-sik'.TV Show Released: First Air Date
Wed, Nov 28 2018
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
Overgrown Bromance
Ko Chang-seok was 46+ in Overgrown Bromance as 'Himself'.TV Show Released: First Air Date
Tue, Oct 10 2017
My Little Old Boy
Ko Chang-seok was 45+ in My Little Old Boy TV Show Released: First Air Date
Fri, Aug 26 2016
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
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
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
Good Doctor
Ko Chang-seok was 42+ in Good Doctor as 'Jo Jung-mi'.TV Show Released: First Air Date
Mon, Aug 05 2013
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
Running Man
Ko Chang-seok was 39+ in Running Man as 'Self'.TV Show Released: First Air Date
Sun, Jul 11 2010
Dream
Ko Chang-seok was 38+ in Dream as 'Straw'.TV Show Released: First Air Date
Mon, Jul 27 2009
Infinite Challenge
Ko Chang-seok was 34+ in Infinite Challenge as 'Self'.TV Show Released: First Air Date
Sat, Apr 23 2005
Way Back Love
Ko Chang-seok will be 54+ in Way Back Love as 'Jeong Yil-beom'.TV Show Released: First Air Date
Unreleased