Acting · b. 1970 · Busan, South Korea Ko Chang-seok Biography Ko Chang-seok (고창석) is a South Korean film actor. Acting The Go-to Restaurant Ko Shin-soo 2025 The Match Seung-pil 2025 Boss Manager Chu 2025 Believe (segment "come to an end") 2025 The Killers Smile (segment "Silent Cinema") 2024 Countdown Principal 2023 Dream Jeon Hyo-bong 2023 Life Is Beautiful Purser 2022 Project Wolf Hunting Ko Geon-bae 2022 I Want to Know Your Parents Teacher Jung 2022 Miracle: Letters to the President Ra-hee's Father 2021 Sinkhole Fire Chief 2021 Innocence Seedsman 2020 Race to Freedom: Um Bok-dong Ahn Do-min 2019 Jesters: The Game Changers Hong-chil 2019 Be with You Hong-gu 2018 Dark Figure of Crime Diving Captain Jam-soo 2018 A Taxi Driver Sang-gu's Father 2017 1987: When the Day Comes Journalist (cameo) (uncredited) 2017 Seondal: The Man Who Sells the River Bo-won 2016 Tabloid Truth Baek Moon 2014 The Huntresses Moo-Myung 2014 The Con Artists Gu-in 2014 Slow Video Doctor Seok 2014 The Spy: Undercover Operation Department head Jin 2013 Secretly, Greatly Seo Sang-gu 2013 Mr. Go Detective So 2013 The Face Reader Choi Dae-gam 2013 Over My Dead Body Hwang Seong-goo 2012 The Grand Heist Hong Seok-chang 2012 Agent-readable