Sump poster
Where to stream

Sump

1.0201714mMovie

When Sally's husband is trapped in an underground cave during a diving accident she finds herself trapped in the company of a talkative constable and an unwelcome guest.

DirectorMike Wozniak
WriterMike Wozniak

Where to watch

Not streaming yet
Check back soon

Sump was released on September 21, 2017 but we couldn't find it on any streaming service yet. Rights can change — try again later.

Get the app to be notified

Cast · Directed by Mike Wozniak

Gemma Whelan
Gemma Whelan
Kate
Jeany Spark
Jeany Spark
Sally
Daniel Rigby
Daniel Rigby
PC Clarke
Alexander Foley
Alexander Foley
Dispatch Sam

More like this

The Descent: Part 2
The Descent: Part 2
2009 · 6.0
Thirteen Lives
Thirteen Lives
2022 · 7.8
10 Cloverfield Lane
10 Cloverfield Lane
2016 · 7.0
Sanctum
Sanctum
2011 · 6.0
Play Dead
Play Dead
2025 · 6.1
Last Breath
Last Breath
2025 · 6.9
Dolly
Dolly
2026 · 5.8
The Rescue
The Rescue
2021 · 8.0
Sinister
Sinister
2012 · 6.9
Stolen Girl
Stolen Girl
2025 · 6.3
Room
Room
2015 · 8.0
The Call
The Call
2013 · 6.8

Sump — streaming FAQ

Which OTT platform streams Sump?

Sump isn't streaming anywhere in United States yet.

Is Sump on Netflix?

No, Sump is not on Netflix in United States as of August 2026.

Is Sump on Amazon Prime Video?

No, Sump isn't on Amazon Prime Video in United States right now.

Where can I watch Sump for free?

Sump isn't streaming in United States yet, so there's no way to watch it free at the moment.

What is the OTT release date for Sump?

Sump hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around November 9, 2017. This is a prediction, not a confirmed date.