The Devil's Mouth is an upcoming American survival horror film directed by Jeff Wadlow. The film stars Kathryn Newton, Lana Condor, Gavin Casalegno, Nico Hiraga, Tommi Rose, and Tayme Thapthimthong.
In December 2019, Apex, written by Aja Gabel and Myung Joh Wesner was featured on the Hollywood Black List of the most liked unproduced scripts. In May 2023, it was announced that Jeff Wadlow would direct the film, retitled The Devil's Mouth. Producers include Thunder Road Films' Basil Iwanyk and Erica Lee, and Wadlow. Two years later, in May 2025, it was announced that Amazon MGM Studios and Lionsgate Films would co-produce the film. Kathryn Newton and Lana Condor signed on to star. In August, Gavin Casalegno, Nico Hiraga, Tommi Rose, and Tayme Thapthimthong joined the cast.
Principal photography took place in Krabi province, Chiang Mai and Bangkok, Thailand, and took eight weeks and was completed by September 2025.