- Name : 윤시윤 / Yoon Si Yoon (Yoon Dong Goo)
- Profession : Actor
- Birthdate : 26 September 1986
- Birthplace : Incheon, South Korea
- Height : 178cm
- Star sign : Libra
- Talent agency : Taxi Entertainment
- Facebook : http://www.facebook.com/#!/pages/Yoon-Shi-Yoon-yunsiyun/220164290747
- Tv Show :
- Once Upon a Time in Saengchori (tvN, 2010) (cameo)
- King of Baking, Kim Tak Goo (KBS2, 2010)
- High Kick Through The Roof (MBC, 2009)
