Underground(2026)
지하도
Underground Synopsis
Seung-hyeon, a construction team leader with PTSD, is ordered to inspect Dohak Station, where a fatal accident halted work years ago. Inside the eerie, abandoned tunnels, he and Joo-young encounter two mysterious workers and become lost while trying to escape. Meanwhile, a CEO and a shaman perform a ritual to resume construction, but enraged spirits retaliate, plunging everyone into chaos.
Underground (2026) is a mystery and horror film directed by Choi Woo-sik, released on August 13, 2026 with a runtime of 1h 32m. It stars Shin Hyun-soo, Lee Yu-ji, Ko Gun-han and Park Hyun-young. Viewers rate it 3.5 out of 10 across 2 ratings.
- Director:
- Choi Woo-sik
- Production:
- Korea Creative Content Agency, EO Contents Group
- Status:
- Released
Underground Cast & Crew
Main cast
Shin Hyun-soo
as Kwon Seung-hyeon
Lee Yu-ji
as Lee Joo-young
Ko Gun-han
as Yang Jung-kook
Park Hyun-young
Mun Seong-bok
Jung Hyung-suk
Hong Seong-pyo
Key crew
Directed by Choi Woo-sik.
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Underground Reviews & Ratings
Average viewer score of 3.5/10 from 2 ratings.
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Underground – Frequently Asked Questions
Where can I watch Underground online?
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Underground (2026) does not have a confirmed streaming, rental or digital purchase option listed for your region yet. Availability is refreshed regularly, so check back for updates.
Who stars in Underground?
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The main cast of Underground (2026) includes Shin Hyun-soo, Lee Yu-ji, Ko Gun-han, Park Hyun-young and Mun Seong-bok. The film was directed by Choi Woo-sik. You can see the full cast and crew list, with character names, further up this page.
When was Underground released?
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Underground was released on August 13, 2026 and runs for 1h 32m.
Is Underground worth watching?
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Underground (2026) holds an average rating of 3.5 out of 10 from 2 viewer votes, and is a good pick if you enjoy mystery and horror films. Read the viewer reviews on this page to decide for yourself.