
Biography
Oh Dal-su (오달수) is a South Korean actor. Oh Dal-su began his acting career in theater in Busan, and since 2001 has been the head of theater company Singiru Manhwagyeong ("Mirage and Kaleidoscope"). His rich experience on the stage, in local productions such as Ogu, later made Oh an in-demand supporting/character actor on the big screen. Oh has starred in numerous successful films, in roles such as the owner of the organized crime-funded private jail in Oldboy (2003), a former gang boss in Mapado (2005), a weapons smuggler in A Bittersweet Life (2005), a transvestite in Foxy Festival (2010), a Chinese-Korean conman in The Thieves (2012), and a sympathetic inmate in Miracle in Cell No. 7. He also dubbed the voice of the monster in The Host (2006).
Filmography35 titles

Oldboy

Along With the Gods: The Two Worlds

1987: When the Day Comes

Squid Game

Miracle in Cell No. 7

No Other Choice

Best Friend

Sympathy for Lady Vengeance

Memoir of a Murderer

Ode to My Father

Tunnel

Assassination

The Good, the Bad, the Weird

My Paparotti

Thirst

Project Makeover

I, the Executioner

Pirates

The Host

Master

Veteran

You Call It Passion

Troubleshooter

Once in a Summer

The Thieves

Detective K: Secret of the Lost Island

Detective K: Secret of Virtuous Widow

Detective K: Secret of the Living Dead

Run-Off

Boss

Bear Man

If You Were Me

A Tale of Legendary Libido

The Servant

The Wild