- Name: 윤시윤 / Yoon Shi Yoon (Yun Si Yun)
- Profession: Actor
- Birthdate: 1986-Sep-26
- Birthplace: Incheon, South Korea
- Height: 178cm
- Star sign: Libra
- Talent agency: Taxi Entertainment
About Yoon Shi YoonYoon 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.
- Gosa / Death Bell 2 (2010)