Ko Chang-seok (고창석) is a South Korean film actor.
Running Man
Infinite Challenge
as Self
My Little Old Boy
The Game Caterers
Reply 1988
as Mi-ok's father
Arthdal Chronicles
as Tae-ap-dok
The Good Detective
as Cha Moon-Ho
My Dearest Nemesis
as Baek Won-seob
House on Wheels
Encounter
as Nam Myeong-sik
The Host
as Nurse
Melo Movie
as Ma Seong-u
Chicken Nugget
as Baek-joong's father
Kill Me, Heal Me
as Dr. Seok Ho-pil
The Miracle We Met
as Song Hyun-chul (B)
The Dream Life of Mr. Kim
as Kim Chang-su
Good Doctor
as Jo Jung-mi
Way Back Love
as Jeong Yil-beom
Project Wolf Hunting
as Ko Geon-bae
A Taxi Driver
as Sang-gu's Father
