
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 Servant (2010)
as Old Man Ma

The Host (2006)
as The Monster (voice)

The King's Warden (2026)
as Elder Yoon

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

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

Lady Vengeance (2005)
as Mr. Chang

The Assassin(s) (2026)
Actor

Veteran (2015)
as Oh Jae-pyeong

The Thieves (2012)
as Andrew

Thirst (2009)
as Yeong-doo

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

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

A Bittersweet Life (2005)
as Myeong-goo

Memoir of a Murderer (2017)
as Byung-man

Ode to My Father (2014)
as Dal-goo

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

Assassination (2015)
as Pomade

The Pirates (2014)
as Han Sang-jil

Tunnel (2016)
as Dae-kyung

The Wild (2023)
as Gak-su

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

The Attorney (2013)
as Park Dong-ho

1987: When the Day Comes (2017)
as Journalist

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

Master (2016)
as Hwang Myung-joon

Boss (2025)
as Kim In-sool

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

Forbidden Quest (2006)
as Hwang

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

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

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

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

Best Friend (2020)
as Eui-sik

Late Blossom (2011)
as Dal-su

Hindsight (2011)
as Teacher Yook

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

My Paparotti (2013)
as Principle Deok-saeng

Traffickers (2012)
as Gyeong-jae

You Call It Passion (2015)
as Director Ko

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

Code Name: Jackal (2012)
as Chief Detective Ma

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

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

Crying Fist (2005)
as Yong-dae

Run-Off (2016)
as Kang Dae-woong

Mapado (2005)
as Shin Seong-il

Bar Legend (2006)
as Na Sang-Choon

4PM (2024)
as Jung-in

Private Eye (2009)
as Oh Yeong-dal

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

Woongnami (2023)
as Na Bok-cheon

A Bloody Aria (2006)
as Oh Ge-un

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

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

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

Between Love and Hate (2006)
as Hak-Yi

Springtime (2004)
as Policeman

Slow Video (2014)
as Byeong-soo

Foxy Festival (2010)
as Gwang-rok

The Blacklist (2021)
as Sin

Troubleshooter (2010)
as Choi Sang-cheol

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

Mai Ratima (2012)
as Stolen Man

The Great Actor (2016)
as Jang Seong-pil

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

Money Show (2009)
as Factory President

Old Days (2016)
as Self

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

Bet On My Disco (2002)
Actor

Control (—)
Actor

Autobiography of Oldboy (2004)
Actor

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





