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Ko Chang-seok

고창석
Actor

Ko Chang-seok (고창석) is a South Korean actor best known as Ma Seong-u in Melo Movie (2025). He is represented by Billions.

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South Korean actor Ko Chang-seok, star of Melo Movie and Kill Me, Heal Me
A face. A story. A little more. ♡
THE PEOPLE BEHIND YOUR FAVOURITE STORIES ✦ AN OXFEA PROFILE
01 / A closer look

Beyond the screen.

Ko Chang-seok (고창석) is a South Korean actor. He is represented by Billions. He began acting in 2001. He is best known as Ma Seong-u in Melo Movie (2025).

Early life

Ko Chang-seok was born on October 13, 1970 in Yongdang-dong, Nam-gu, Busan, South Korea.

Career and breakthrough

Ko Chang-seok played Dr. Seok Ho-pil in Kill Me, Heal Me (2015), played Ma Seong-u in Melo Movie (2025) and plays Foreman in Dead-End Job (2026). Kill Me, Heal Me is a 2015 television series that mixes romance, drama and comedy. Melo Movie is a 2025 television series that mixes romance, comedy and drama. Dead-End Job is a 2026 television series that mixes mystery, horror, fantasy and comedy. In the 2015 romance drama Kill Me, Heal Me, he played Dr. Seok Ho-pil. In the 2025 romance drama Melo Movie, he played Ma Seong-u. In the 2026 mystery drama Dead-End Job, he plays Foreman.

02 / The journey

A career, chapter by chapter.

Selected drama roles

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03 / Their screen stories

Stories to find them in.

Selected credits in the Oxfea collection.

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