What is Colony?
Colony is a 2026 South Korean action horror film directed and written by Yeon Sang-ho, with Choi Gyu-seok credited as co-writer. The film stars Jun Ji-hyun, Koo Kyo-hwan, Ji Chang-wook, Kim Shin-rok, Shin Hyun-been, and Go Soo.
- Type
- Film
- Year
- 2026
- Status
- Released
- Runtime
- 123 minutes
- Release date
- May 21, 2026
- Original language
- KO
- Origin
- South Korea
- Studios
- Wow Point, Smilegate Entertainment, Midnight Studio
- Genres
- Action, Thriller, Horror
- Updated
Trailer
Overview
Colony is a 2026 South Korean action horror film directed and written by Yeon Sang-ho, with Choi Gyu-seok credited as co-writer. The film stars Jun Ji-hyun, Koo Kyo-hwan, Ji Chang-wook, Kim Shin-rok, Shin Hyun-been, and Go Soo. The story follows Professor Se-jeong, who becomes trapped inside a facility during a biotech conference after a rapidly mutating virus is released. Authorities seal the building, leaving Se-jeong and a small group of survivors to fight for their lives as the infected undergo terrifying transformations. The film was released in South Korea and is available for streaming in 4K and other formats on platforms such as Netflix, Prime Video, and Disney+. It is known by its Korean title, 군체.
Should you watch it?
“A biotech conference turns into a fight for survival when a mutating virus traps attendees inside.”
- Gripping survival horror with strong performances
- Tense atmosphere and visceral action
- Unique take on outbreak thriller
- Limited character development due to fast pacing
- Graphic violence may not suit all viewers
You enjoy high-stakes, enclosed-space horror with strong Korean filmmaking.
Contains graphic violence, disturbing transformations, and intense survival themes.
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Frequently asked questions
Is the virus in Colony based on real science?
The film uses a fictional, rapidly mutating virus as a plot device.
Who plays the main character in Colony?
Jun Ji-hyun plays Professor Se-jeong, the main character.
Where can I watch Colony online?
Colony is available to stream on platforms like Netflix, Prime Video, and Disney+.
Is Colony part of a series or franchise?
Colony is a standalone film.
What is the tone of the movie?
The tone is relentless, cold, and intense throughout.