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Oldboy

Oldboy is a 2003 South Korean action thriller film directed and co-written by Park Chan-wook.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Oldboy is a 2003 South Korean action thriller film directed and co-written by Park Chan-wook. It follows Oh Dae-su, a man mysteriously imprisoned for 15 years who is released and seeks revenge while uncovering the reason for his captivity. The film is a loose adaptation of the Japanese manga Old Boy by Garon Tsuchiya and Nobuaki Minegishi.

Plot

Oldboy follows Oh Dae-su after he is suddenly imprisoned in a private cell for 15 years. Once released, he tries to discover who did it and why, leading to a revenge-driven mystery.

Source material

The film is based loosely on the Japanese manga Old Boy by Garon Tsuchiya and Nobuaki Minegishi. The 2003 film adapts the premise rather than serving as a direct page-to-screen translation.

Reception and legacy

Oldboy became known for its intense violence, shocking plot twists, and strong critical reputation. It is frequently discussed as one of the most memorable South Korean films of the 2000s.

Ending

The ending reveals the deep connection between Dae-su and Mi-do and reframes the revenge story as a psychological tragedy. Because this is a major spoiler, encyclopedic summaries usually describe it in broad terms rather than in full detail.

Key facts

  • Oldboy is a 2003 South Korean action thriller directed and co-written by Park Chan-wook.
  • The story follows Oh Dae-su, imprisoned for 15 years, who seeks revenge after his release.
  • It is a loose adaptation of the Japanese manga Old Boy by Garon Tsuchiya and Nobuaki Minegishi.
  • A 2013 American remake directed by Spike Lee exists.
  • The film is known for its twist ending, stylized violence, and revenge theme.
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Canadian context

Oldboy is relevant to Canadian readers as an internationally known South Korean film that has also inspired discussion through its 2013 American remake and its place in global cinema.

Frequently asked questions

What is Oldboy about?
Oldboy is about Oh Dae-su, a man mysteriously imprisoned for 15 years who is released and then seeks to discover why he was held captive.
Is Oldboy a true story?
No. It is a fictional film loosely based on the Japanese manga Old Boy, not on real events.
Who directed Oldboy?
Oldboy was directed and co-written by Park Chan-wook.
What happens at the end of Oldboy?
The ending reveals a devastating connection between the characters and turns the revenge plot into a tragic psychological confrontation.
Is Oldboy a Korean movie?
Yes. The 2003 Oldboy film is a South Korean production and is in the Korean language.
Why is Oldboy so famous?
It is famous for its intense revenge story, shocking twists, stylized violence, and strong critical reputation.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Oldboy_(2003_film)
    Supports: Director, plot premise, South Korean origin, manga source, release year
  2. IMDbhttps://www.imdb.com/title/tt0364569/
    Supports: Plot premise and reception notes
  3. IMDbhttps://www.imdb.com/title/tt1321511/
    Supports: 2013 American remake information
  4. Rotten Tomatoeshttps://www.rottentomatoes.com/m/oldboy
    Supports: Critical description, violent revenge-thriller reputation
  5. RogerEbert.comhttps://www.rogerebert.com/reviews/oldboy-2013
    Supports: Remake context and revenge-thriller framing