Yun Si Yun is a South Korean actor. He is well known for his lead role in "King of Baking, Kim Takgu", "Flower Boys Next Door", "Hit the Top", "Grand Prince" and "Your Honor". He had a good debut with "High Kick Through the Roof" and won MBC's Best Couple award with Shin Se Kyung and nominated for Best New Actor in TV for Baeksang Arts Awards. Yoon is addicted to books, he has over 2000 books at home.