Oh Dal-su

Acting

Oh Dal-su

Born 1968-06-15 · Daegu, South Korea

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).

Acting credits

Oldboy poster
8.2

With no clue how he came to be imprisoned, drugged and tortured for 15 years, a desperate man seeks revenge on his captors.

Oldboy

2003

No Other Choice poster
7.5

After being laid off and humiliated by a ruthless job market, a veteran paper mill manager descends into violence in a desperate bid to reclaim his dignity.

No Other Choice

2025

The Host poster
7.0

A teenage girl is captured by a giant mutated squid-like creature that appears from Seoul's Han River after toxic waste was dumped in it, prompting her family into a frantic search for her.

The Host

2006

Along with the Gods: The Two Worlds poster
8.1

Having died unexpectedly, firefighter Ja-hong is taken to the afterlife by 3 afterlife guardians. Only when he passes 7 trials over 49 days and proves he was innocent in human life, he’s able to reincarnate, and his 3 afterlife guardians are by his side to defend him in trial.

Along with the Gods: The Two Worlds

2017

The King's Warden poster
7.2

In a remote mountain village of 15th-century Joseon, humble headman Heung-do hears a rumor that any village hosting an exiled nobleman will be blessed with abundance and fortune. Hoping to bring prosperity to his impoverished community, he eagerly submits a petition to host one—unaware that his guest is none other than the fallen monarch, deposed boy-king Danjong.

The King's Warden

2026

The Servant poster
5.7

A servant falls in love with a girl whom his master also desires. Although the girl loves the servant, she also longs to improve her station in life.

The Servant

2010

A Tale of Legendary Libido poster
5.7

A monk gives an impaired man the secret to a strong arousal. The man had been teased and tortured until the travelling man decides to help him out.

A Tale of Legendary Libido

2008

Lady Vengeance poster
7.5

Released after being wrongfully convicted and imprisoned for 13 years, a woman begins executing her elaborate plan of retribution.

Lady Vengeance

2005

Thirst poster
7.1

A respected priest volunteers for an experimental procedure that may lead to a cure for a deadly virus. He gets infected and dies, but a blood transfusion of unknown origin brings him back to life. Now, he’s torn between faith and bloodlust, and has a newfound desire for the wife of a childhood friend.

Thirst

2009

A Bittersweet Life poster
7.4

Kim Sun-woo is an enforcer and manager for a hotel owned by a cold, calculative crime boss, Kang who assigns Sun-woo to a simple errand while he is away on a business trip; to shadow his young mistress, Hee-soo, for fear that she may be cheating on him with a younger man with the mandate that he must kill them both if he discovers their affair.

A Bittersweet Life

2005

The Thieves poster
6.8

A gang of South Korean thieves team up with a Hong Kong crew to steal a diamond necklace from a heavily-guarded casino safe in Macau. As the cops close in, old betrayals — and misunderstandings — resurface.

The Thieves

2012

I, the Executioner poster
7.0

The veteran detective Seo Do-cheol and his team at Major Crimes, relentless in their pursuit of criminals, join forces with rookie cop Park Sun-woo to track down a serial killer who has plunged the nation into turmoil.

I, the Executioner

2024

The Pirates poster
7.0

At the cusp of the founding of Joseon Dynasty, an envoy from China is delivering Emperor’s Ming’s Royal Seal. But nature in the form of a giant whale intervenes and swallows the royal seal. When a generous reward is offered to whomever can retrieve the royal seal from the belly of the whale, the race is on. A group of mountain bandits led by Jang Sa Jung and a group of pirates led by Yeo Wol go after the lost treasure, but who will get to to it first?

The Pirates

2014

The Good, the Bad, the Weird poster
7.2

The story of three Korean outlaws in 1930s Manchuria and their dealings with the Japanese army and Chinese and Russian bandits. The Good (a bounty hunter), the Bad (a hitman), and the Weird (a thief) battle the army and the bandits in a race to use a treasure map to uncover the riches of legend.

The Good, the Bad, the Weird

2008

Assassination poster
7.3

In Japanese-occupied Korea, three freedom fighters are assigned a mission to assassinate a genocidal military leader and his top collaborator. But the plan goes completely awry amidst double-crossings, counter-assassinations, and a shocking revelation about one of the assassins' past.

Assassination

2015

The Wild poster
5.2

Woo-chul used to be a successful boxer, but he had to go to prison because his opponent died in the middle of a match. Now that he’s been released, he intends to become a model citizen. Meanwhile, his friend Do-shik will do whatever it takes to get ahead. After choosing different paths, they will be forced to plot against and betray one another.

The Wild

2023

Veteran poster
6.9

When an old collaborator gets severely injured, a veteran policeman tries to figure out the way to bring to justice the ultimately suspected aggressor, a spoiled young executive, heir to a mega corporation, who believes he is above the law.

Veteran

2015

Miracle in Cell No. 7 poster
7.9

A story about a mentally ill man wrongfully imprisoned for murder and his relationship with his 6 year old daughter.

Miracle in Cell No. 7

2013

Tunnel poster
7.3

A man is on his way home when the poorly constructed tunnel he is driving through collapses, leaving him trapped leaving himself for the unexpected whilst emergency services struggle to help.

Tunnel

2016

Memoir of a Murderer poster
7.4

A former serial killer with Alzheimer's fights to protect his daughter from her mysterious boyfriend who may be a serial killer too.

Memoir of a Murderer

2017

1987: When the Day Comes poster
8.0

In 1987 Korea under an oppressive military regime, the unlawful interrogation and death of a college student ignite ordinary citizens to fight for the truth and bring about justice.

1987: When the Day Comes

2017

The People Upstairs poster
5.7

Jung-ah and her husband Hyeon-soo suffer sleepless nights from the passionate couple upstairs, Su-kyeong and Mr. Kim. Hoping to ease tensions, Jung-ah invites them to dinner — but polite chatter soon unravels into raw, boundary-breaking honesty, exposing hidden cracks in relationships with biting wit and emotional precision.

The People Upstairs

2025

Ode to My Father poster
7.4

Duk-soo lost his father and younger sister while taking refuge during the Korean War. He leaves for Germany to work as a miner and enters the Vietnam War. He wishes to find his sister.

Ode to My Father

2014

I'm a Cyborg, But That's OK poster
7.0

Young-goon, mentally deranged and frequently electro-charging herself with a transistor radio, has been admitted into a mental institution. Firmly believing herself to be a cyborg, she refuses to consume like a human being. Il-soon is another patient, who catches the eye of Young-goon and soon becomes a close friend. Il-soon is now confronted with the biggest task: to cure Young-goon's mental problem and have her eat real food.

I'm a Cyborg, But That's OK

2006