Acting professional known for performing the main personality in the 2003 film Oldboy aswell as his function together with Scarlett Johansson in 2014’s Lucy. He also starred being a serial killer in I Noticed the Devil. After getting his level in theater from Dongguk College or university, he began his career functioning on stage. In the middle-2000s, he protested South Korean procedures regarding display screen quotas by eschewing movies for the stage for quite some time. He wedded Kim Hwal-ran in 1999. He once was wedded to Lee Hwa-yeong from 1990 to 1996. He also made an appearance alongside Morgan Freeman in Lucy.