The Devil's Mouth (2026)
▸ Worth a watch
The verdict
The Devil's Mouth earns its keep as a steady English film that knows its audience. It holds a 6.6/10 on TMDB from 515 ratings, right around average territory. It runs a manageable 106 minutes. In Singapore you can stream it on Amazon Prime Video.
Critics are split clean down the middle on this one. — distilled from critics' published reviews
Story
A group of college friends' Thailand adventure turns deadly when they become trapped in submerged caves with a dangerous predator. As oxygen runs low, past conflicts emerge in their desperate fight for survival.
Good to know
| Runtime | 106 min |
| Watch with family? | NC16 · Older kids & up |
| Genre | Horror / Thriller |
| Language | English |
| Best screen | Stream at home |
Director
Jeff Wadlow
Cast
Kathryn Newton
Sara
Lana Condor
Max
Nico Hiraga
James
Gavin Casalegno
Greg
Tommi Rose
Adrienne
Tayme Thapthimthong
Wat
Where to watch in Singapore
Amazon Prime Video
Availability as of 2026-08-09 — platforms may change over time.
Trailer
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Frequently asked
Is The Devil's Mouth worth watching?
Worth a watch. It rates 6.6/10 on audience ratings. Critics are split clean down the middle on this one.
Where can I watch The Devil's Mouth?
You can stream The Devil's Mouth in Singapore on Amazon Prime Video.
When is The Devil's Mouth releasing on OTT? (OTT release date)
The Devil's Mouth is already streaming in Singapore on Amazon Prime Video — it arrived on 2026-07-29.
Is The Devil's Mouth family friendly?
The Devil's Mouth is rated NC16. Fine for older kids with guidance.
What language is The Devil's Mouth in?
The Devil's Mouth is an English film (Horror / Thriller).