Kim Sung-kyun

Kim Sung-kyun is a South Korean actor famous for jumping between scary villains and warm, funny neighbours. He shocked viewers in his debut film Nameless Gangster, then stole hearts as Samcheonpo in Reply 1994. Today, global fans know him from The Fiery Priest and the superhero drama Moving.

Kim Sung-kyun is about 177 cm (5 ft 10 in) tall.

Early life

Kim Sung-kyun was born on May 25, 1980, in Daegu, South Korea. He started acting on the theatre stage in 2001 and spent about ten years in plays, often in small roles. Those hard stage years built the strong voice, timing and emotion that later made him stand out on screen.

Career and breakthrough

His screen debut was unforgettable. In Nameless Gangster: Rules of the Time (2012), he played the gangster Park Chang-woo and won Best New Actor awards. One year later, Reply 1994 (2013) showed his soft side. 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. His comedy timing made the role a fan favourite. In Moving (2023), he plays Lee Jae-man, a quiet father with super strength who only wants to protect his son. His sad, gentle acting in Moving moved fans around the world.

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 like a real person you might meet.