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
I, the Executioner (2024)
as Oh Jae-pyeong
The Thieves (2012)
as Andrew
A Bittersweet Life (2005)
as Myeong-goo
Assassination (2015)
as Pomade
Thirst (2009)
as Yeong-doo
The Wild (2023)
as Gak-su
Veteran (2015)
as Oh Jae-pyeong
The Pirates (2014)
as Han Sang-jil
Memoir of a Murderer (2017)
as Byung-man
Miracle in Cell No. 7 (2013)
as So Yang-ho
The Good, the Bad, the Weird (2008)
as Mr. Park
Tunnel (2016)
as Dae-kyung
1987: When the Day Comes (2017)
as Journalist
I'm a Cyborg, But That's OK (2006)
as Shin Duk-cheon
Ode to My Father (2014)
as Dal-goo
Boss (2025)
as Kim In-sool
The People Upstairs (2025)
as Man-Next-Door
The Attorney (2013)
as Park Dong-ho
Soar Into the Sun (2012)
as Master Sergeant Min Dong-phil
Money Show (2009)
as Factory President
Forbidden Quest (2006)
as Hwang
I Want to Know Your Parents (2022)
as Do Ji-yeol
Don't Step Out of the House (2009)
as Father (voice)
Master (2016)
as Hwang Myung-joon
Best Friend (2020)
as Eui-sik
Woongnami (2023)
as Na Bok-cheon
Private Eye (2009)
as Oh Yeong-dal
Late Blossom (2011)
as Dal-su
Detective K: Secret of the Lost Island (2015)
as Han Seo-pil
Detective K: Secret of Virtuous Widow (2011)
as Han Seo-pil
Detective K: Secret of the Living Dead (2018)
as Han Seo-pil
Run-Off (2016)
as Kang Dae-woong
Woman Is the Future of Man (2004)
as Glutinous Rice Cake Seller
My Paparotti (2013)
as Principle Deok-saeng
The President's Barber (2004)
as Mr. Ahn
You Call It Passion (2015)
as Director Ko
4PM (2024)
as Jung-in
Driving with My Wife's Lover (2007)
as Taxi Driver
A Bloody Aria (2006)
as Oh Ge-un
Code Name: Jackal (2012)
as Chief Detective Ma
Bar Legend (2006)
as Na Sang-Choon
Hindsight (2011)
as Teacher Yook
Traffickers (2012)
as Gyeong-jae
Once in a Summer (2006)
as Nam Gyun-soo
The Show Must Go On (2007)
as Hyun-soo
Crying Fist (2005)
as Yong-dae
If You Were Me (2003)
as Police Station Chief (seg. 6)
The Blacklist (2021)
as Sin
Mapado (2005)
as Shin Seong-il
Project Makeover (2007)
as Jung-ju's Father
My Dad is a Zombie (2026)
as Hong-do
Between Love and Hate (2006)
as Hak-Yi
Bet On My Disco (2002)
Actor
The Great Actor (2016)
as Jang Seong-pil
Springtime (2004)
as Policeman
Troubleshooter (2010)
as Choi Sang-cheol
Foxy Festival (2010)
as Gwang-rok
Head (2011)
as Professor Kim Sang-chul / Professor Oh Byung-seok
Mai Ratima (2012)
as Stolen Man
Old Days (2016)
as Self
Slow Video (2014)
as Byeong-soo
Never Ending Peace and Love (2003)
as Police Box (Chief)
The Ugly Duckling (2012)
as Nak-man's Father
Control (—)
Actor
Autobiography of Oldboy (2004)
Actor