Kim Jae-won

Kim Jae-won is a South Korean actor and model who quickly became one of the most talked-about young faces in Korean drama. He was born on 9 February 2001 in Seoul. On Oxfea, he appears in King the Land (2023), where he plays Lee Ro-un, a bright junior employee at the King Hotel. Viewers also know him from Yumi's Cells (2022), Hierarchy (2024) and The Trauma Code: Heroes on Call (2025).

Kim Jae-won is about 187 cm (6 ft 2 in) tall.

Early life

He first worked as a model before turning to acting, and he made his acting debut in 2021 in the web series Love from Home. Tall, calm and soft-spoken, he quickly caught the eye of casting directors. In interviews he says he wants to grow step by step with very different kinds of roles.

Career and breakthrough

His breakthrough came fast. In Yumi's Cells season two (2022), he played Shin Soon-rok, a quiet and kind office worker, and viewers fell for his gentle screen presence. King the Land (2023) then put him in front of a global Netflix audience as the cheerful and loyal Lee Ro-un. In 2024 he took a darker lead role in the teen thriller Hierarchy, playing Kim Ri-an, the rich heir at the centre of the story.

Popular roles

Fans often name three roles first: Shin Soon-rok in Yumi's Cells, Lee Ro-un in King the Land and Kim Ri-an in Hierarchy. In 2025 he joined the hit medical drama The Trauma Code: Heroes on Call as Seo Dong-ju, adding action and teamwork to his range. He also appeared in the family drama Our Golden Days (2025), reaching older viewers at home.

Recent work and why fans love them

Kim Jae-won is still at the start of his career, but he already moves easily between sweet romance, school thrillers and big ensemble dramas. Fans love his warm smile, his polite image and the quiet emotion he brings to simple scenes. With every project he looks more like a future leading man, and his fan base keeps growing worldwide.