From 2004 to 2010 , Kim served as a regular cast member on the ABC series '' Lost '' in which he played Jin-Soo Kwon , a lowly Korean fisherman-turned-hitman who crashes onto a mysterious island with his wife , Sun-Hwa Kwon ( Yunjin Kim ) . Since the role required him to speak exclusively in Korean , he said he was forced to quickly relearn the language , which he had not spoken with any great frequency since high school . He would go on to play the character up until the 2010 series finale . Throughout the show 's run , he , along with his fellow cast members , received numerous accolades , including a 2006 Screen Actors Guild Award for Best Ensemble . He was individually honored with an AZN Asian Excellence Award , a Multicultural Prism Award and a Vanguard Award from the Korean American Coalition , all for Outstanding Performance by an Actor . Kim was also named one of '' People Magazine 's '' " Sexiest Men Alive " in 2005
2006 Screen Actors Guild Award for Best Ensemble
12th Screen Actors Guild Awards
Daniel Dae Kim