Jeong Seong Yeong is a South Korean actor under Yuko Company. He has a little sister, Jung Chan Bi who is also an actress.
as [Caught Student](2 eps)
as Seong Yeong(3 eps)
as Kim Hyun Woo(8 eps)
as Self(1 ep)
as Bom Woo Joo(19 eps)
as Main Host(20 eps)
as Self(28 eps)
as Self(2 eps)