Born in South Korea in 1944, he is a seasoned actor recognized for his work in theater, film, and television. He gained international acclaim for his role as Oh Il-nam in the hit series "Squid Game," which earned him a Golden Globe Award, making him the first Korean actor to win in a television category. With a career spanning several decades, he has been celebrated for his performances in numerous productions, showcasing his versatility and depth as an actor.