Born in South Korea, this actor initially gained recognition as a fashion model before transitioning to acting in the late 1990s. He quickly became known for his versatile roles in critically acclaimed films such as "Attack the Gas Station" (1999) and "Ditto" (2000). His performance in "Oldboy" (2003) earned international praise. Beyond acting, he has directed several short films. He is also known for his philanthropic efforts, actively supporting various charitable causes.