
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

The Host (2006)
as The Monster (voice)

The Wild (2023)
as Gak-su

Lady Vengeance (2005)
as Mr. Chang

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

Money Show (2009)
as Factory President

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

A Bittersweet Life (2005)
as Myeong-goo

The Thieves (2012)
as Andrew

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

Memoir of a Murderer (2017)
as Byung-man

The Pirates (2014)
as Han Sang-jil

Thirst (2009)
as Yeong-doo

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

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

Tunnel (2016)
as Dae-kyung

Assassination (2015)
as Pomade

Veteran (2015)
as Oh Jae-pyeong

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

1987: When the Day Comes (2017)
as Journalist

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

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

Ode to My Father (2014)
as Dal-goo

Forbidden Quest (2006)
as Hwang

The Attorney (2013)
as Park Dong-ho

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

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

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

Hindsight (2011)
as Teacher Yook

Late Blossom (2011)
as Dal-su

The Blacklist (2021)
as Sin

Traffickers (2012)
as Gyeong-jae

A Bloody Aria (2006)
as Oh Ge-un

Autobiography of Oldboy (2004)
Actor

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

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

Master (2016)
as Hwang Myung-joon

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

Boss (2025)
as Kim In-sool

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

Crying Fist (2005)
as Yong-dae

Mai Ratima (2012)
as Stolen Man

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

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

You Call It Passion (2015)
as Director Ko

Best Friend (2020)
as Eui-sik

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

Foxy Festival (2010)
as Gwang-rok

Code Name: Jackal (2012)
as Chief Detective Ma

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

Between Love and Hate (2006)
as Hak-Yi

Troubleshooter (2010)
as Choi Sang-cheol

Bar Legend (2006)
as Na Sang-Choon

Old Days (2016)
as Self

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

Run-Off (2016)
as Kang Dae-woong

Slow Video (2014)
as Byeong-soo

The Great Actor (2016)
as Jang Seong-pil

My Paparotti (2013)
as Principle Deok-saeng

Woongnami (2023)
as Na Bok-cheon

Mapado (2005)
as Shin Seong-il

Springtime (2004)
as Policeman

Bet On My Disco (2002)
Actor

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

Private Eye (2009)
as Oh Yeong-dal

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

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

Control (—)
Actor

4PM (2024)
as Jung-in





