Nomes Alternativos: 윤동구 | Yoon Dong Gu | Yoon Si Yun | Yun Dong | Yun Dong Goo | Yun Si Yun
Nascimento: 26 de Setembro de 1986 (37 years)
Incheon - Coreia do Sul
Yoon Shi Yoon was born as Yoon Dong Goo, a name he used until his agency recommended an official change of name upon his entry into college.
Although High Kick Through The Roof is Shi Yoon's acting debut, his first screen appearance was in a variety show, Introducing A Star's Friend, as the friend of actor and F.T Island member Lee Hong Ki.