Ko Chang-seok

Miracle: Letters to the President

(Ra-hee's Father)

Ice Bar

(Cop)

Life Is Beautiful

(Purser)

The Case of Itaewon Homicide

(Alex's father)

The Host

(Nursing Assistant from Isolation Ward 1)

Antique

(Gay Club Master)

Project Wolf Hunting

(Ko Geon-bae)

The Killers

(Smile (segment "Silent Cinema"))

The Last Wolf

(Narrow Eyes)

The Spy: Undercover Operation

(Department head Jin)

Lady Vengeance

(Woo So-young's Husband)

Going by the Book

(Woo Jong-dae)

Quick

(Detective Seo)

Tabloid Truth

(Baek Moon)

The Front Line

(Yang Hyo-sam)

The Huntresses

(Moo-Myung)

Rough Cut

(Director Bong)

Insadong Scandal

(Hojinsa, forgery factory president)

City of Fathers

(Kim Kang-soo)

No Mercy for the Rude

(Piano)

Secretly, Greatly

(Seo Sang-gu)

A Barefoot Dream

(Park In-gi)

Running Wild

(Gang Member)

Hello Ghost

(Chain-smoking Ghost)

The Showdown

(Du-soo)

The Con Artists

(Gu-in)

Over My Dead Body

(Hwang Seong-goo)

The Grand Heist

(Hong Seok-chang)

Mr. XXX-Kisser

(Sung-cheol)

Seondal: The Man Who Sells the River

(Bo-won)

Mr. Go

(Detective So)

Slow Video

(Doctor Seok)

Mr. Idol

(Han Jong-tak)

In Between

The Go-to Restaurant

(Ko Shin-soo)

Second Half

(Seafood Restaurant Owner)

Miss Conspirator

(Detective So)

A Taxi Driver

(Sang-gu's Father)

Almost Che

(Police officer Kim)

1987: When the Day Comes

(Journalist)

Be With You

(Hong-gu)

Race to Freedom: Um Bok-dong

(Ahn Do-min)

Jesters: The Game Changers

(Hong-chil)

Dark Figure of Crime

(Diving Captain Jam-soo)

Innocence

(Seedsman)

I Want to Know Your Parents

(Teacher Jung)

Sinkhole

(Fire Chief)

Little Black Dress

(Director)

Countdown

(Principal)

Dream

(Jeon Hyo-bong)

The Face Reader

(Choi Dae-gam)

Secret Reunion

(Vietnam Boss)

The Match

(Seung-pil)

Superman in Early Summer

(Superman)

Z Island

Boss

(Manager Chu)

Believe

((segment "come to an end"))

Jiangshi

Reply 1988

(Mi-ok's father)

The Game Caterers

(Self)

Glitch

(Kim Chan-woo)

The Good Detective

(Cha Moon-Ho)

Ad Genius Lee Tae-baek

(Ma Jin-ga)

Dream

(Straw)

Good Doctor

(Jo Jung-mi)

The Night Watchman

(Minister Ddoong)

Running Man

My Little Old Boy

Overgrown Bromance

(Self)

The Miracle We Met

(Song Hyun-chul (B))

Today's Webtoon

(On Ki-bong)

Way Back Love

(Jeong Yil-beom)

Encounter

(Nam Myeong-sik)

Infinite Challenge

(Self)

Chicken Nugget

(Baek-joong's father)

Arthdal Chronicles

(Tae-ap-dok)

Memorist

(Goo Kyung-tan)

Kill Me, Heal Me

(Dr. Seok Ho-pil)

House on Wheels

(Self)

My Dearest Nemesis

(Baek Won-seob)

Melo Movie

(Ma Seong-u)

Kingdom: Legendary War

(Self - Guest)

The Dream Life of Mr. Kim

(Kim Chang-su)

Se-ri's Kitchen

(Self)

Director's Arena

(Self (archive footage))

Friend, Our Legend

(Boat Captain)

Four Hands, Two Sonatas

Dead-End Job

(Foreman)