There are elevator pitches, and then there is “a grief-stricken scuba diver gets swallowed by a sperm whale and has one hour to escape before his oxygen runs out.” That’s the strange, but intriguing hook for “Whalefall,” 20th Century Studios’ upcoming survival thriller from “No One Will Save You” filmmaker Brian Duffield, and the first trailer suggests the film is going all-in on the claustrophobic nightmare of its premise.
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Based on the 2023 novel by Daniel Kraus, “Whalefall” stars Austin Abrams as Jay Gardiner, a scuba diver searching the ocean for the remains of his late father, Mitt Gardiner, played by Josh Brolin. The dive quickly turns into something out of a primordial horror story: Jay encounters a giant squid, then a sperm whale, and is swallowed alive, leaving him trapped inside the animal with his oxygen running out.
The trailer reportedly builds from underwater dread into full survival-thriller panic, with Abrams’ character pinned inside a living, breathing tomb and forced to engineer a way out. The premise has been described as “The Martian” meets “127 Hours,” which makes sense: it is a contained survival story, but one where the setting is also a biological death trap. The hook may sound outrageous on paper, but the emotional spine is father-son grief, with Jay forced to fight for his life while confronting the trauma that brought him into the water in the first place.
Duffield co-wrote the screenplay with Kraus and also produced. Brian Grazer, Ron Howard, Jeb Brody, and Allan Mandelbaum are also producers. The supporting cast includes Elisabeth Shue, John Ortiz, Jane Levy, and Emily Rudd. Behind the camera, the film features cinematography by Aaron Morton, editing by Pietro Scalia, and music by Joseph Trapanese.
For Duffield, “Whalefall” keeps him in the zone of high-concept genre storytelling after “Spontaneous” and the nearly wordless alien-invasion thriller “No One Will Save You.” This one appears to trade extraterrestrial terror for something older, wetter, and much more stomach-churning.
“Whalefall” opens in theaters via 20th Century Studios on October 16, 2026. Watch the trailer below.
