Kim Sung-su (김성수) is a South Korean actor and television host.
Inssa
as Ik-seong
Rule of the Game: Human Hunting
as Jeong-hwan
Black Hand
as Jung-Woo
Fasten Your Seatbelt
as Self (cameo)
Soar Into the Sun
as Major Park Dae-suh
Hellcats
as Oh Seung-won
Monopoly
as Jon
The Red Shoes
as In-cheol
Sweet Sex and Love
as Dong-ki
