The Great Flood
대홍수
“The last day on earth. The one choice for survival.”
Synopsis
When a raging flood traps a researcher and her young son, a call to a crucial mission puts their escape — and the future of humanity — on the line.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
Official Trailer [Subtitled]Official
Type: Trailer • Published 2025-12-04
Top Cast
Explore Star Directory →
Kim Da-mi
Koo An-na
Park Hae-soo
Son Hee-jo
Kwon Eun-seong
Shin Ja-in
Jeon Hye-jin
Lim Hyeon-mo
Park Byung-eun
Lee Hwi-so
Lee Hak-ju
Shin Ga-won
Yuna
Lee Ji-su
Park Mi-hyeon
Mother-in-Law
Lee Dong-chan
Apt. 2002 Resident
Kwon Min-kyung
Apt. 2002 Resident
Kim Dong-young
Thug
Kim Kang-bin
Thug
Eun Su
Pregnant Woman
Ahn Hyun-ho
Apt. 1503 Resident
Lee Jun-hyeok
Security team leader
Kim Su-kyung
Apt. 304 Resident
Seo Suk-kyu
Apt. 304 Resident
Cho Seung-yeon
Apt. 702 Resident
Release History & Theatrical Window
Busan International Film Festival
Festival / Special Debut
December 19, 2025
VOD & Digital Platforms
Key Information & Fast Facts
- Director
- Kim Byung-woo
- Screenplay & Story
- Kim Byung-woo, Han Ji-su
- Original Score
- Lee Jun-oh
- Original Title
- 대홍수
- Country of Origin
- South Korea
- Spoken Languages
- Korean
- Runtime
- 1h 47m
- Production Studios
- Hwansang Studio Seoul
Creative Leadership & Key Crew
Kim Byung-woo
Kim Byung-woo, Han Ji-su
Lee Jun-oh
Kim Tae-soo
Park Min-sun, Kim Chang-ju
Chun Roy-kyoung, Kim Kyung-min
Department Leadership Roster
Kim Byung-woo
Director
Kim Byung-woo
Writer
Han Ji-su
Writer
Kim Tae-soo
Director of Photography
Kim Kyung-min
Producer
Kim Byung-han
Production Design
Choi Seul-gi
Production Design
Choi Eui-young
Costume Design
Park Min-sun
Editor
Kim Chang-ju
Editor
Lee Jun-oh
Original Music Composer
Jung Chul-min
Visual Effects Supervisor
Jung Sung-jin
Visual Effects Supervisor
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
R: Restricted — Under 17 requires accompanying parent or adult guardian.
International Certification Matrix
Mature — Recommended for viewers 15 and older.
FSK 12 — Restricted to viewers aged 12 and older.
Suitable only for 15 years and over.
Restricted — Under 17 requires accompanying parent or adult guardian.
Production Stills & Gallery
Official cinematic photography and background stills for The Great Flood.
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Frequently Asked Questions About The Great Flood
Quick factual answers about cast, synopsis, director, box office, and release information.
What is The Great Flood about?
When a raging flood traps a researcher and her young son, a call to a crucial mission puts their escape — and the future of humanity — on the line.
Who directed The Great Flood?
The Great Flood was directed by Kim Byung-woo.
Who stars in The Great Flood?
The principal cast of The Great Flood includes Kim Da-mi, Park Hae-soo, Kwon Eun-seong, Jeon Hye-jin, Park Byung-eun.
When was The Great Flood released and how long is it?
The Great Flood was released in 2025 with a total runtime of 1h 47m.
Who composed the musical score for The Great Flood?
The original motion picture soundtrack for The Great Flood was composed by Lee Jun-oh.
What is the age rating and content advisory for The Great Flood?
The Great Flood holds official age classifications: AU: M (Mature — Recommended for viewers 15 and older.); CA: R; DE: 12 (FSK 12 — Restricted to viewers aged 12 and older.); GB: 15 (Suitable only for 15 years and over.); IN: U/A 16+; US: R (Restricted — Under 17 requires accompanying parent or adult guardian.).