Heo Dong-won

Heo Dong-won is a South Korean actor born on June 9, 1980, in Busan. Working mainly in acting, he has built up 44 screen credits across film and television, often in supporting roles. Among his best-known appearances is the ○ Mask in the 2021 series Squid Game. On the big screen, he played Choi Moon-sik in The Gangster, the Cop, the Devil (2019) and Oh Dong-gyun in both The Outlaws (2017) and The Roundup (2022).

His television work also includes Shin Il-su in Extraordinary Attorney Woo (2022), Teacher Chu in The Glory (2022), Detective Shim in The King: Eternal Monarch (2020) and Heo Je-hun in The Uncanny Counter (2020). Further film credits include Ode to My Father (2014), Beasts Clawing at Straws (2020) and Special Delivery (2022). His most recent listed role is Detective Choi Jong-hun in the 2023 series Mask Girl.

TV series

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

Where to watch their movies

• Amasian TV: The Gangster, the Cop, the Devil
• Amazon MX Player: The Gangster, the Cop, the Devil
• Amazon Prime Video: The Gangster, the Cop, the Devil
• Amazon Prime Video Free with Ads: The Gangster, the Cop, the Devil
• Amazon Prime Video with Ads: The Gangster, the Cop, the Devil
• Amazon Video: The Gangster, the Cop, the Devil
• Apple TV Store: The Gangster, the Cop, the Devil
• Fandango At Home: The Gangster, the Cop, the Devil
• Fawesome: The Gangster, the Cop, the Devil
• Google Play Movies: The Gangster, the Cop, the Devil
• Hi-YAH: The Gangster, the Cop, the Devil
• Hi-YAH Amazon Channel: The Gangster, the Cop, the Devil
• Kanopy: The Gangster, the Cop, the Devil
• OnDemandKorea: The Gangster, the Cop, the Devil
• Peacock Premium: The Gangster, the Cop, the Devil
• Peacock Premium Plus: The Gangster, the Cop, the Devil
• Plex: The Gangster, the Cop, the Devil
• Plex Channel: The Gangster, the Cop, the Devil
• Pluto TV: The Gangster, the Cop, the Devil
• Rakuten Viki: The Gangster, the Cop, the Devil
• The Roku Channel: The Gangster, the Cop, the Devil
• Tubi TV: The Gangster, the Cop, the Devil
• Xumo Play: The Gangster, the Cop, the Devil
• YouTube: The Gangster, the Cop, the Devil
• YouTube Free: The Gangster, the Cop, the Devil

Platforms listed for our film pages in your country (source: JustWatch via TMDB).

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.