Ko Chang-seok (born October 13, 1970) 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).
The Match (Korean: 승부) is a 2025 South Korean biographical sports drama film directed and written by Kim Hyung-joo, based on two real-life notable Go players Cho Hun-hyun and Lee Chang-ho. It stars Lee Byung-hun, Yoo Ah-in, Ko Chang-seok, Hyun...
Honey Part-Time Job (Korean: 꿀알바) is a 2026 South Korean mystery horror fantasy television series written by Kyeong Min-sun and Lee Shin-ji, directed by Kim Da-min, and starring Lee Jae-wook, Go Min-si, Kim Min-ha, and Lee Hee-joon. The first four...
Boss (Korean: 보스) is a 2025 South Korean action comedy film directed by Ra Hee-chan. The film is a remake of the Hong Kong film Once a Gangster (2010). It stars Jo Woo-jin, Jung Kyung-ho, and Park Ji-hwan as gang members caught in a rivalry, torn...
Billions (Korean: 빌리언스) is a South Korean entertainment agency, film and drama production company. In June 2024, the company changed its name from Blade Entertainment to Billions. The company is home to many actors and musicians in the South Korean...
The Con Artists (Korean: 기술자들; lit. 'The Technicians') is a 2014 South Korean heist film directed by Kim Hon-sun, and starring Kim Woo-bin, Kim Yeong-cheol, Ko Chang-seok, and Lee Hyun-woo.
Count (Korean: 카운트; RR: Kaunteu), also known as Countdown, is a 2023 South Korean comedy-drama film directed by Kwon Hyuk-jae. Based on former boxer Park Si-hun, it stars Jin Seon-kyu as Park, along with Sung Yoo-bin, Oh Na-ra, Ko Chang-seok, Jang...
Good Doctor (Korean: 굿 닥터) is a 2013 South Korean medical drama television series starring Joo Won, Moon Chae-won, Joo Sang-wook, Kim Min-seo, Chun Ho-jin, Kwak Do-won, and Ko Chang-seok. It aired on KBS2 from August 5 to October 8, 2013, on Mondays...
I Want to Know Your Parents (Korean: 니 부모 얼굴이 보고 싶다; RR: ni bumo eolguri bogo sipda; lit. 'I Want to See Your Parents' Faces') is a 2022 South Korean mystery thriller film directed by Kim Ji-hoon and written by Gim Gyung-mi. Based on a Japanese...
Four Hands, Two Sonatas (Korean: 포핸즈) is a 2026 South Korean television series written by Shin Yi-won and directed by Park Hyun-seok. Set in an arts high school, the series follows the lives of three young people named Kang Pi-o, Choi Jeong-yo, and...