
Oh Dal-su
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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).
Known for
Credits

Oldboy (2003)
as Park Cheol-woong

No Other Choice (2025)
as Detective #1

The King's Warden (2026)
as Elder Yoon

The Servant (2010)
as Old Man Ma

Along with the Gods: The Two Worlds (2017)
as Prosecutor

A Tale of Legendary Libido (2008)
as Gang-mok

The Host (2006)
as The Monster (voice)

The Wild (2023)
as Gak-su

The Pirates (2014)
as Han Sang-jil

Lady Vengeance (2005)
as Mr. Chang

The Good, the Bad, the Weird (2008)
as Mr. Park

A Bittersweet Life (2005)
as Myeong-goo

I, the Executioner (2024)
as Oh Jae-pyeong

Thirst (2009)
as Yeong-doo

The Thieves (2012)
as Andrew

Veteran (2015)
as Oh Jae-pyeong

Assassination (2015)
as Pomade

Miracle in Cell No. 7 (2013)
as So Yang-ho

Ode to My Father (2014)
as Dal-goo

Tunnel (2016)
as Dae-kyung

I'm a Cyborg, But That's OK (2006)
as Shin Duk-cheon

The People Upstairs (2025)
as Man-Next-Door

Forbidden Quest (2006)
as Hwang

Memoir of a Murderer (2017)
as Byung-man

The Attorney (2013)
as Park Dong-ho

Woman Is the Future of Man (2004)
as Glutinous Rice Cake Seller

Best Friend (2020)
as Eui-sik

Soar Into the Sun (2012)
as Master Sergeant Min Dong-phil

1987: When the Day Comes (2017)
as Journalist

The President's Barber (2004)
as Mr. Ahn

Master (2016)
as Hwang Myung-joon

I Want to Know Your Parents (2022)
as Do Ji-yeol

Detective K: Secret of Virtuous Widow (2011)
as Han Seo-pil

Boss (2025)
as Kim In-sool

Private Eye (2009)
as Oh Yeong-dal

Crying Fist (2005)
as Yong-dae

Old Days (2016)
as Self

Detective K: Secret of the Living Dead (2018)
as Han Seo-pil

A Bloody Aria (2006)
as Oh Ge-un

Late Blossom (2011)
as Dal-su

Detective K: Secret of the Lost Island (2015)
as Han Seo-pil

Troubleshooter (2010)
as Choi Sang-cheol

Once in a Summer (2006)
as Nam Gyun-soo

Springtime (2004)
as Policeman

The Show Must Go On (2007)
as Hyun-soo

Woongnami (2023)
as Na Bok-cheon

My Paparotti (2013)
as Principle Deok-saeng

You Call It Passion (2015)
as Director Ko

Run-Off (2016)
as Kang Dae-woong

Slow Video (2014)
as Byeong-soo

Foxy Festival (2010)
as Gwang-rok

Between Love and Hate (2006)
as Hak-Yi

My Dad is a Zombie (2026)
as Hong-do

Code Name: Jackal (2012)
as Chief Detective Ma

If You Were Me (2003)
as Police Station Chief (seg. 6)

Project Makeover (2007)
as Jung-ju's Father

Driving with My Wife's Lover (2007)
as Taxi Driver

The Great Actor (2016)
as Jang Seong-pil

Mai Ratima (2012)
Actor

Bet On My Disco (2002)
Actor

4PM (2024)
as Jung-in

Bar Legend (2006)
as Na Sang-Choon

Never Ending Peace and Love (2003)
as Police Box (Chief)

Head (2011)
as Professor Kim Sang-chul / Professor Oh Byung-seok

The Ugly Duckling (2012)
as Nak-man's Father

Control (—)
Actor

Don't Step Out of the House (2009)
as Father (voice)

The Blacklist (2021)
as Sin

Money Show (2009)
as Factory President

Autobiography of Oldboy (2004)
Actor





