Heo Dong-won

Heo Dong-won is a South Korean character actor famous for small roles that nobody forgets. He has appeared in many of the biggest Korean hits of recent years, from Squid Game to The Glory. On Oxfea, he plays Lee Sang-mok in the newsroom drama Unmasked (2025).

Heo Dong-won is 183 cm (6 ft 0 in) tall, according to his published profile.

Early life

Heo Dong-won was born on June 9, 1980, in Busan, South Korea. He began as a stage actor, where he learned to grab an audience's attention in seconds. He moved into film and television in the 2010s, and his strong face and voice soon made him a favourite choice for intense supporting parts.

Career and breakthrough

Heo Dong-won's world changed with Squid Game (2021). Inside the games, he played one of the masked workers, and he also appeared as Player 028. Even with his face covered, his presence was felt, and the show's global success put him in front of millions of new viewers almost overnight.

Popular roles

In The Glory (2022), he played Teacher Chu, the creepy and cowardly teacher who made viewers angry in every scene. He was also Shin Il-su, a memorable client in Extraordinary Attorney Woo (2022), and Heo Je-hun in The Uncanny Counter (2020). In When the Camellia Blooms (2019), he played Kim Nak-ho, showing his warmer side.

Recent work and why fans love them

Unmasked (2025) gives Heo Dong-won a bigger part as Lee Sang-mok in a team of investigative reporters, and he also appears in Take Charge of My Heart (2026). Fans love him because he is proof that there are no small roles. Give him one scene and he will be the person everyone talks about.