Heo Dong-won

Born in Busan, South Korea, on June 9, 1980, Heo Dong-won is an actor whose career spans 44 credits in movies and TV series. K-drama fans may recognize him as the ○ Mask in Squid Game (2021), Shin Il-su in Extraordinary Attorney Woo (2022) or Teacher Chu in The Glory (2022). He also appeared as Detective Shim in The King: Eternal Monarch and as Heo Je-hun in The Uncanny Counter, both from 2020.

In films, he played Oh Dong-gyun in The Outlaws (2017) and The Roundup (2022), and Choi Moon-sik in The Gangster, the Cop, the Devil (2019). Other movie credits include Ode to My Father (2014), Beasts Clawing at Straws (2020) and Special Delivery (2022). His latest listed project is the 2023 series Mask Girl, where he took on the role of Detective Choi Jong-hun.

TV series

• Take Charge of My Heart (2026) · as Yoon Jae-ho

Frequent co-stars

• Don Lee · 3 films together: The Gangster, the Cop, the Devil, The Roundup, The Outlaws
• Yoo Jae-myung · 3 films together: The Gangster, the Cop, the Devil, Kingmaker, Bring Me Home
• Jung Woo · 2 films together: Dirty Money, Hot Blooded
• Choi Gwi-hwa · 2 films together: The Roundup, The Outlaws
• Yoon Je-moon · 2 films together: Beasts Clawing at Straws, Hot Blooded
• Park Ji-hwan · 2 films together: The Roundup, Beasts Clawing at Straws

Career at a glance

First credit: KBS Drama Special (2010) · Credits: 44

Roles played

Titles reviewed on Drama4U

• Take Charge of My Heart2026 · Yoon Jae-hoReviewed
• Squid Game2021 · ○ MaskReviewed
• The Uncanny Counter2020 · Heo Je-hunReviewed
• The Gangster, the Cop, the Devil2019 · Choi Moon-sikReviewed

Other work

• My Name2026 · Hwang Cheol-gwang
• 층간2025
• Homecam2025 · Jin-cheol
• Unmasked2025 · Lee Sang-mok
• Love Scout2025 · Kim Young-su
• The Tenants2024 · Wolwolse Man
• Dirty Money2024 · Kwang-seok
• Spring Garden2024 · Chang-su
• Like Flowers in Sand2023 · Coach Yeon
• Dog Days of Summer2023 · [I Jun's father]
• Mask Girl2023 · Detective Choi Jong-hun
• The Glory2022 · Teacher Chu
• Christmas Carol2022 · Han Hee-sang
• Extraordinary Attorney Woo2022 · Shin Il-su
• Insider2022 · Yang Jun ['Skin Nation' chairman]
• The Roundup2022 · Oh Dong-gyun

Images: TMDB · Posters belong to their respective copyright holders and are shown only to identify the work and for review purposes

Profile based on TMDB and Wikidata facts and checked against public sources. Career information only.