Why Prime Video's New Thriller Has Become An Instant Global Streaming Hit

Published Jul 31, 2026, 10:08 AM EDT Felipe Rangel is a Movie and TV Journalist ScreenRant. He has been writing about movies and TV since 2021. Felipe joined ScreenRant in 2022, working across different teams, covering everything from breaking news to features to reviews and more. Felipe is a writer who is an avid film and TV fan, with superhero movies and series being his biggest passion. He graduated from college in 2019, having studied Journalism. Before college, he spent a month studying at the Oxford English Centre. His superhero knowledge expands to the comics, with his undergraduate thesis being "Politics Reflected In American Comics." Prime Video's new thriller is already a worldwide streaming sensation, and the reason for the movie's success lies in its popular cast, an intense story, and its genre. Prime Video's movie library is filled with excellent licensed films and creative Prime Video original movies. 2026 has presented itself as a major year for the streaming service thus far, with several hits. That goes from theatrical behemoths like Ryan Gosling's Project Hail Mary to movies that bombed in theaters but found a new audience on streaming like the new Masters of the Universe to Prime Video original hits like Balls Up. There is something for everyone to enjoy on the streaming service. That said, Prime Video subscribers should turn their attention to thrillers. While the streaming service has had recent hits in the form of fantasy and sci-fi movies, there are quite a few thrillers worth checking out on the platform. Prime Video is the global home of psychological thrillers like Sydney Sweeney's The Housemaid, the original Saltburn, Christopher Nolan's Memento, and many other exciting genre releases. That said, a 2026 movie is in the spotlight. That new Prime Video thriller movie is The Devil's Mouth, which was just released on the streaming service on Wednesday, July 29. The shark movie is trending worldwide on the platform, having already become a massive global hit, and doing so instantly. Its streaming success also comes as no surprise for a few key factors. Prime Video's The Devil's Mouth Is Trending Worldwide At the time of writing, The Devil's Mouth stands as the most-watched movie on Prime Video worldwide, according to FlixPatrol. After it was released on the streaming service on July 29, it only took a day for the thriller to land at #2 on Prime Video's global charts. After its second day of availability on the streamer, The Devil's Mouth has now managed to become the leader of its worldwide movie chart, dethroning the previous #1 Masters of the Universe. The Devil's Mouth also ranks higher than several major movies on Prime Video's global chart. Those include Gosling's sci-fi epic Project Hail Mary, Jason Statham's action thriller Shelter, Hugh Jackman's murder mystery The Sheep Detectives, Robert Pattinson and Zendaya's twisted romance The Drama, Sweeney's psychological thriller The Housemaid, and many more. The Devil's Mouth is currently trending in 51 countries, with the new Prime Video thriller movie being the most-watched in 41 of those countries. The film ranks #1 in nations like Australia, Brazil, Canada, Denmark, France, Germany, India, Ireland, Mexico, the United Kingdom, and many more. The Devil's Mouth is Prime Video's most-watched movie in the United States, with Masters of the Universe at 2nd. Why The Devil's Mouth Is Worth Watching On Prime Video Image courtesy of Prime Video The Devil's Mouth follows a group of college friends who, during a trip to Thailand, become trapped in an underwater cave system. That is not their biggest problem, as they are not alone, with a deadly shark patrolling the waters for their every move. With oxygen running out, secrets among the friend group starting to be revealed, and a predator waiting to take their lives, they must face a daunting challenge. The Devil's Mouth is a violent thriller that presents plenty of surprises and promises to keep Prime Video subscribers on the edge of their seats. The Devil's Mouth's cast features plenty of recognizable stars. Among them are Gavin Casalegno, known to Prime Video subscribers for playing Jeremiah Fisher on the streamer's hit romance series The Summer I Turned Pretty, Kathryn Newton, who will return as Ant-Man's daughter, Cassie Lang, in Marvel Studios' Avengers: Doomsday, Lana Condor, who plays Lara Jean in the romantic To All the Boys I've Loved Before franchise, and more. The Devil's Mouth is a global hit due to its vibrant cast, harrowing scenario, and intense shark action. Release Date July 29, 2026 Runtime 106 minutes Director Jeff Wadlow Writers Aja Gabel, Jeff Wadlow, Myung Joh Wesner Producers Basil Iwanyk, Erica Lee, Jeff Wadlow