Known for his starring assignments in such Southern Korean motion pictures as Marathon as well as the Classic, he also appeared in stage productions of Hedwig as well as the Angry Itch and Jekyll & Hyde. While students at Dankook School, he was ensemble within a Cannes Film Festival-screened film known as Chunhyang. He made an appearance in the South Korean mega-hit film Tazza: The Great Rollers. He was raised in Seoul, South Korea as the kid of a vocalist and the sibling of the musical theater celebrity. For his part as an autistic personality in the film Marathon, he received a 2005 Grand Bell Honor. Fellow South Korean acting professional Kim Tae-Hee (created in the same yr as and precisely 1 day after Seung-woo) gained this same honor on her behalf part in the 2006 film The Restless.