Yu Oh-seong (b.September 11, 1968 in Gangwon), also spelled "Yu Oh-Sung", "Yoo Oh-Sung" is a South Korean actor.
The Star
Yeong-woo
Attack the Gas Station!
Mu Dae-po / Bulldozer
Beat
Tae-soo
Friend
Joon-seok
Champ
Trainer Yoon
Hello Murderer
Young-Suk
Champion
Kim Deuk-gu
Don't Cry, Mommy
Detective Oh
Friend: The Great Legacy
Joon-seok
Man
1980: The Unforgettable Day
Cheol-soo's father
Shoot Me in the Heart
Choi Ki-hoon
The Terrorist
Jeom-pyo
Lump of Sugar
Yun-jo
Thomas Ahn Joong-Keun
Ahn Jung-geun
The Spy
Li Cheol-jin
Ken San
Self
Poison
Kill the Love
Baek-jun
I Wish for What Is Forbidden to Me
Hwang Nam-ki
First Love
Potato Sympony
The Great Battle
Yeon Gaesomun
Tomb of the River
Gil Seok / Chairman Oh
Dr. Bong
On-dal