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Action horror film

Colony (2026): Cast, Ratings, Box Office & Ending

Colony (2026) movie poster

Colony is a 2026 action horror film directed by Sang-ho Yeon, starring Koo Kyo-hwan as Seo Yeong Cheol, Jun Ji-hyun and Go Soo. It runs 2 hours 2 minutes and earned $53.1 million worldwide. Critics gave it 57 on Metacritic.

worldwide gross
$53.1M
Echo Score
66
Metascore
57
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Colony (2026) movie poster
Released
Runtime
2h 2m (122 min)
Director
Sang-ho Yeon
Genres
Action , Adventure , Crime , Fantasy
Original language
Korean
After the credits
No No extra scene
The story

What Is Colony About?

The premise of Colony without spoilers. The whole story and the ending explained are in the plot summary further down.

When a rapidly mutating virus erupts at a biotech conference, Professor Se‑jeong (Ji‑hyun) finds herself and a handful of survivors sealed inside the facility. With no way out, they must battle the infected, whose gruesome transformations turn the building into a blood‑soaked nightmare as they struggle to stay alive.

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Cast & crew

Colony Cast & Characters

Koo Kyo-hwan leads the cast as Seo Yeong Cheol, with Jun Ji-hyun as Se Jeong and Go Soo as Han Gyu Seong. Directed by Sang-ho Yeon; 7 actors are credited in all.

Also Starring in Colony

· 3 more
Ratings

Colony Reviews & Ratings

Critics gave Colony 57 on Metacritic. Our Echo Score gives it 66/100, strongest in sensory experience (80) and weakest in story & flow (52).

66 /100

Colony Echo Score Breakdown

Colony delivers a visually competent horror experience anchored by kinetic cinematography and effective zombie choreography, but its narrative is uneven and character development is thin. Critics acknowledge the director's seasoned handling of genre mechanics, yet note an over‑explained plot and reliance on familiar tropes. Audience reactions echo this split, praising the spectacle while finding emotional resonance lacking, resulting in a moderate overall appeal and limited replay value.

Our own 0–100 rating, built from five aspects: art, character, story, the sensory experience and how well a film rewatches.

  • Art & Craft 78

    In terms of art and craft, the film showcases polished direction, crisp cinematography, and energetic choreography that highlight the director's expertise. Reviewers commend the visual precision of high‑octane sequences and solid editing. However, some critics point out moments that fall short of the high‑octane brilliance of earlier works. Overall, the craftsmanship is strong, though not uniformly exceptional.

  • Character & Emotion 55

    When it comes to character and emotion, performances are inconsistent. The protagonist and antagonist receive occasional praise for charisma, yet many reviewers describe the ensemble as lifeless and lacking depth. Emotional stakes are often noted as absent, and the script relies on predictable tropes. Consequently, character engagement is moderate at best, limiting audience investment.

  • Story & Flow 52

    Regarding story and flow, the plot oscillates between tension‑filled set pieces and over‑explained exposition. Critics cite a waterlogged narrative weighed down by disaster‑movie dialogue, while some viewers appreciate the warning about unrestrained science. Pacing is erratic, with sections that feel relentless and others that drag, leading to an overall mixed assessment of the storytelling.

  • Sensory Experience 80

    In the sensory domain, the film excels with vivid visual style, kinetic zombie choreography, and a soundtrack that sustains tension. Reviewers highlight the precise framing and dynamic movement that make action scenes compelling. Although not groundbreaking, the sound design and visual cohesion effectively support the horror atmosphere, delivering a satisfying sensory experience.

  • Rewatch Factor 65

    Rewatch value is moderate; the movie offers enough thrilling set pieces and striking zombie design to merit a second viewing for genre fans. Nonetheless, the reliance on familiar formulas and uneven character work diminish lasting appeal. Some audience members note that memorable moments encourage repeat watches, while others find the experience too predictable for sustained interest.

Plot

Colony Plot Summary & Ending Explained

What happens in Colony from start to finish, spoilers included, with a timeline of 15 key events and the ending explained. The opening is below; the full summary is a 5-minute read.

Spoilers ahead

An urgent confrontation between science, ambition, and survival unfolds inside a single towering building. Scientist Seo Young-chul [Koo Kyo-hwan] warns the police that a bio-terror attack will be launched at the Dongwoo-ri Building, then self-administers a vaccine-like injection to a mutated slime mold bioweapon, setting off a catastrophic chain of events. In the same building, Chains Bio stages a high-profile presentation where its CEO unveils the slime mold’s cell regeneration capabilities, drawing attention from researchers, investors, and workers who are eager to witness the breakthrough up close.

Full summary

The whole story of Colony, scene by scene, with the ending explained

Read the full summary
Box office

Colony Box Office

Colony grossed $53.1 million worldwide. $1.5 million came from the US and Canada and $51.7 million (97%) from the rest of the world.

2026 box office

Worldwide gross

$53.1M

US & Canada
$1.5M
International
$51.7M
US & Canada 3% Rest of the world 97%
Quiz

How Well Do You Know Colony?

10 questions about the story, each with a hint if you get stuck. Pick an answer to see whether you were right.

Question 1 of 10

  1. Question 1: not answered
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  4. Question 4: not answered
  5. Question 5: not answered
  6. Question 6: not answered
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  9. Question 9: not answered
  10. Question 10: not answered

What is the name of the scientist who initiates the warning about the bio-terror attack?

Seen Colony?

FAQ

Colony FAQ: Cast, Box Office & Runtime

Runtime, release date, director, cast, box office, ratings, post-credit scenes and language of Colony, each answered in a sentence.

How long is Colony?

Colony runs 2 hours 2 minutes (122 minutes).

When was Colony released?

Colony was released on August 28, 2026.

Who directed Colony?

Colony was directed by Sang-ho Yeon.

More films by Sang-ho Yeon

Who is in the cast of Colony?

Colony stars Koo Kyo-hwan as Seo Yeong Cheol, Jun Ji-hyun as Se Jeong and Go Soo as Han Gyu Seong, among 7 credited actors.

How much did Colony make at the box office?

Colony grossed $53.1 million worldwide ($1.5 million domestic, $51.7 million international).

How is Colony rated?

Colony has 57 on Metacritic.

Does Colony have a post-credit scene?

No. Colony has no extra scene during or after the credits.

What language is Colony in?

The original language of Colony is Korean.

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