Kim Do-yoon is a South Korean character actor born on 7 August 1981 in Seoul, South Korea. He is 181 cm tall and weighs 67 kg, and he is with Just Entertainment. Oxfea fans know him as Lee Dong-wook, the loud Arrowhead streamer in Hellbound (2021), and as Park Min-hwan in Love in Disguise (2026).

Early life

He studied theatre and film at Chung-Ang University and spent years acting in plays, learning how to change his voice, body and energy for every new role. That stage training is still clear in his screen work today: even his smallest parts feel fully lived in and real.

Career and breakthrough

He began in films in 2012 with small roles, including a police officer in 26 Years (2012). His breakthrough came in the horror hit The Wailing (2016), where he played Yang I-sam, the young deacon who speaks Japanese and helps in the fight against a strange and terrible evil.

Popular roles

In Peninsula (2020), the follow-up to Train to Busan, he played Sergeant Kim, fighting to survive in a ruined Korea. In Hellbound (2021), he was unforgettable as Lee Dong-wook, the masked online streamer who leads the violent Arrowhead group.

Recent work

He stayed in demand with Concrete Utopia (2023), Song of the Bandits (2023) and Queen Woo (2024). In Love in Disguise (2026), he plays Park Min-hwan, adding one more colour to a career full of soldiers, detectives, villains and ordinary men.