A South Korean actor and singer, he gained fame with his breakout role in the 2004 drama "Full House," becoming a household name across Asia. Originally debuting as a solo artist in 2002, he released multiple successful albums, showcasing his dance prowess and vocal talent. Transitioning to Hollywood, he starred in "Speed Racer" (2008) and "Ninja Assassin" (2009). Known for his charismatic stage presence and versatile acting skills, he remains a prominent figure in the entertainment industry.