Kim Sung-kyun
Kim Sung-kyun (김성균) is a South Korean actor loved as detective Koo Dae-young in The Fiery Priest and as Lee Jae-man in Moving. He is with UL Entertainment.

Beyond the screen.
Kim Sung-kyun is a South Korean actor famous for jumping between scary villains and warm, funny neighbours. Today, global fans know him from The Fiery Priest and the superhero drama Moving.
Kim Sung-kyun is about 177 cm tall, according to his published profile.
Early life
Kim Sung-kyun was born on May 25, 1980, in Daegu, South Korea. Those hard stage years built the strong voice and timing that later made him stand out on screen.
Career and breakthrough
In Nameless Gangster: Rules of the Time (2012), he played the gangster Park Chang-woo and won Best New Actor awards. As Samcheonpo, a country boy in Seoul, he became one of the most loved characters in the whole Reply series.
Popular roles
In The Fiery Priest (2019), Kim Sung-kyun plays Koo Dae-young, a lazy but kind detective who slowly becomes a true hero's partner. In Moving (2023), he plays Lee Jae-man, a quiet father with super strength who only wants to protect his son.
Recent work and why fans love him
Kim Sung-kyun also stood out as Sergeant Park Beom-gu in D.P. (2021) and in the mystery series Nine Puzzles (2025). Fans love him because he is never boring: the same actor can be a gangster, a fool, a detective or a father, and every character feels real.
A career, chapter by chapter.
Selected drama roles
- The Fiery Priest — Koo Dae-Young
- Moving — Lee Jae-man
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Stories to find them in.
Selected credits in the Oxfea collection.
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