How to watch Kathryn Newton in ‘The Devil’s Mouth’ for free

It may be Shark Week on Discovery, but Prime Video is dropping a new shark thriller of their own.

“The Devils Mouth” debuts on the streamer today, July 29.

Kathryn Newton (“Big Little Lies”) stars in the survival thriller, which follows five friends who set out on one last adventure by going on a guided swim through a remote cave system in Thailand known as The Devil’s Mouth, a natural wonder that’s as breathtaking as it is unforgiving.

(l-r) Gavin Casalegno, Tommie Rose, Lana Condor, Kathryn Newton, Nico Hiraga Courtesy of Amazon MGM Studios

The group soon discovers that something is hunting them under the water, and in the suffocating darkness, trust erodes, panic spreads and every wrong turn becomes a fight for survival.

In addition to Newton, the film stars two more actors known for their work in teen romantic dramas, Lana Condor (“To All the Boys I’ve Loved Before”) and Gavin Casalegno (“The Summer I Turned Pretty”).

‘The Devil’s Mouth’ release date

“The Devil’s Mouth” was released on Prime Video today, July 29.

How to watch ‘The Devil’s Mouth’ for free

“The Devil’s Mouth” is exclusive to the Prime Video streaming service, so you’ll need a subscription to watch the new movie.

If you aren’t a Prime Video subscriber yet, you can get started with a 30-day Amazon Prime free trial, including Prime perks like the Prime Video streaming service, free two-day shipping, exclusive deals, and more. After the free trial, Amazon Prime costs $14.99/month or $139/year.

All 18- to 24-year-olds, regardless of student status, are eligible for a discounted Prime for Young Adults membership as well, with age verification. After a six-month free trial, you’ll pay 50% off the standard Prime monthly price — just $7.49/month — for up to six years and get all the perks.

‘The Devil’s Mouth’ cast

• Kathryn Newton as Sara
• Lana Condor as Max
• Gavin Casalegno as Greg
• Nico Hiraga as James
• Tommi Rose as Adrienne
• Tayme Thapthimthong as Wat

‘The Devil’s Mouth’ trailer

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This article was written by Angela Tricarico, Commerce Streaming Reporter for the New York Post, Page Six, and Decider. Angela keeps readers up to date with information on how to watch all of your favorite reality TV shows and movies on each streaming service. Not only does Angela test and compare the streaming services she writes about to ensure readers are getting the best prices, but she’s also a superfan specializing in the intersection of shopping, tech, sports, celebrities and pop culture. Prior to joining The Post in 2023, she wrote about streaming and consumer tech at Insider Reviews