Ko Chang-seok

The Night Watchman

as Minister Ddoong

Episodes: 24

First Aired: Aug 04, 2014

Dream

as Straw

Episodes: 20

First Aired: Jul 27, 2009

Good Doctor

as Jo Jung-mi

Episodes: 20

First Aired: Aug 05, 2013

Kill Me, Heal Me

as Dr. Seok Ho Pil

Episodes: 20

First Aired: Jan 07, 2015

The Miracle We Met

as Song Hyun-chul (B)

Episodes: 18

First Aired: Apr 02, 2018

The Good Detective

as Cha Moon-Ho

Episodes: 16

First Aired: Jul 06, 2020

Ad Genius Lee Tae-baek

as Ma Jin-ga

Episodes: 16

First Aired: Feb 04, 2013

Today's Webtoon

as On Ki-bong

Episodes: 16

First Aired: Jul 29, 2022

Encounter

as Nam Myeong-sik

Episodes: 16

First Aired: Nov 28, 2018

Memorist

as Goo Kyung Tan

Episodes: 16

First Aired: Mar 11, 2020

My Dearest Nemesis

as Baek Won-seob

Episodes: 12

First Aired: Feb 17, 2025

Glitch

as Kim Chanwoo

Episodes: 10

First Aired: Oct 07, 2022

Way Back Love

as Jeong Yil-beom

Episodes: 6

First Aired: Apr 03, 2025

Reply 1988

as Mi-ok's father

Episodes: 2

First Aired: Nov 06, 2015

Chicken Nugget

as Baek-joong's father

Episodes: 1

First Aired: Mar 15, 2024

Arthdal Chronicles

as Tae-ap-dok

Episodes: 1

First Aired: Jun 01, 2019