Steven Yeun . Born: 12/20/1983 in Seoul, , KR Jump to Related Articles Photos Filmography Biography Filmography Actor (8) The Walking Dead 2010 - 2016 (TV Show) Actor Talking Dead 2011, 2014 - 2015 (Tv Show) Himself Conan 2012 - 2014 (Tv Show) Actor I Origins 2014 (Movie) Kenny (Actor) Jimmy Kimmel Live 2013 (Tv Show) Actor Warehouse 13 2011 (Tv Show) Actor The Big Bang Theory 2010 (Tv Show) Actor American Dad (Tv Show) Voice Biography . Milestones 2010 Joined AMC's "The Walking Dead." Bonus Trivia . Was born in Korea but moved the United States at a young age.