Yoon Shi-yoon

Yoon Shi-yoon (Korean: 윤시윤; born Yoon Dong-gu), also known professionally as Yun Si Yun, is a South Korean actor and television personality. He is best known for his leading roles in Bread, Love and Dreams (2010), My Cute Guys (2013), Hit the Top (2017), Grand Prince (2018) and Your Honor (2018), Nokdu Flower (2019), Psychopath Diary (2019–2020), and Train (2020). From 2016 to 2019, he was a member of the third season of variety show 2 Days & 1 Night.

My Little Old Boy · S1, E457

Episode 457

Mothers observe the daily lives of their adult sons and have the chance to understand their sons more deeply by learning their new aspects.
Unexpected Business · S1, E9

Episode 9

Dong Hyeon-bae and Yoon Shi-yoon share the stories of how they started as part-timers who took over the business after their bosses suddenly disappear.
My Little Old Boy · S1, E451

Episode 451

Mothers observe the daily lives of their adult sons and have the chance to understand their sons more deeply by learning their new aspects.
My Little Old Boy · S1, E445

Episode 445

Mothers observe the daily lives of their adult sons and have the chance to understand their sons more deeply by learning their new aspects.
My Little Old Boy · S1, E448

Episode 448

Mothers observe the daily lives of their adult sons and have the chance to understand their sons more deeply by learning their new aspects.