
Biography
Ko Chang-seok is a South Korean actor known primarily for his supporting roles in film and television, notably, Rough Cut (2008), Secret Reunion (2010), Encounter (2018–19), and Melo Movie (2025).
Source: Wikipedia · CC BY-SA
Filmography50+ titles

Four Hands, Two Sonatas

Reply 1988

The Dream Life of Mr. Kim

Be with You

Running Man

My Dearest Nemesis

Kill Me, Heal Me

1987: When the Day Comes

A Taxi Driver

Good Doctor

Encounter

Innocence

Infinite Challenge

Dead-End Job

Arthdal Chronicles

Hello Ghost

Melo Movie

House on Wheels

Memorist

Sympathy for Lady Vengeance

Miracle: Letters to the President

The Match

Going by the Book

The Good Detective

The Front Line

A Barefoot Dream

Seondal: The Man Who Sells the River

The Face Reader

Secretly Greatly

The Host

Dream

Life Is Beautiful

Sinkhole

The Con Artists

Rough Cut

Glitch

Race to Freedom: Um Bok Dong

Dark Figure of Crime

Mr. Go

Over My Dead Body

No Mercy for the Rude

Chicken Nugget

Project Wolf Hunting

The Grand Heist

Secret Reunion

Antique

Miss Conspirator

Running Wild

Boss

The Spy: Undercover Operation