Personal details
Born:
- Birthday: 1977-10-20
- Born Place: Busan, South Korea
Also Known As:
Heo Seong-tae, هئو سونگ-ته
Heo Sung-tae
Heo Sung-tae is a South Korean actor born on October 20, 1977. He gained widespread international recognition for his role as the ruthless gangster Jang Deok-su in the hit Netflix series Squid Game (2021). Before his acting career took off, Heo had a successful corporate life. He graduated from Pusan National University with a degree in Russian and worked for LG Corporation, where he was responsible for TV sales in the Russian market. He later worked in a shipbuilding company before deciding to pursue acting at the age of 34 after appearing in a talent show.Heo has become known for his versatility, often portraying a wide range of villainous and supporting characters in both films and television dramas. His notable film roles include The Age of Shadows (2016), The Outlaws (2017), and Hunt (2022), while his television credits include Beyond Evil (2021) and Bloody Heart (2022). He has received several awards and nominations for his work, including a Best Supporting Actor win at the KBS Drama Awards for Bloody Heart. He continues to be a prominent figure in the Korean entertainment industry, with recent projects including the 2024 series Crash and the 2025 series Good Boy.
