Jeong Seong Yeong is a South Korean actor under Yuko Company. He has a little sister, Jung Chan Bi who is also an actress.
Adult Trainee
막이래쇼: 무작정탐험대
Stress Free Zone
Ohlala School
Remember, Hari
Rad Science
My YouTube Diary
Carrick Island, the Island of Wishes
Dream Junior
막이래쇼 : 무작정여행단