Hyun Sung (현성) is a South Korean actor. He is also known as Kim Hyun-sung (김현성).
Filmography
The Deal
as Detective Nam
White Night
as Do-yoon
My Beautiful Days
as Jun-i
Vegetarian
as Min-ho
Puzzle
as Jung
Three Friends
as Kim Tae-moo
Poison Frog
as Han-gyu