What to know
Beware Boiúna, a suspenseful horror entry set in the Amazon, is scheduled to open in U.S. theaters on October 2, 2026. The story centers on a medical team whose expedition becomes a fight for survival when a colossal, ancient predator—referred to as Boiúna—awakens and reasserts control over its domain.
Creative team and credits
The film is directed by Mike P. Nelson. The screenplay is credited to Alan McElroy, with a story by Tony Giglio and Alan McElroy. Producers listed include Jeremy Bolt and Robert Kulzer. Runtime is reported as 104 minutes and the film is described under the suspense and horror genres.
Cast
- Kiana Madeira
- Jessica Rothe
- Logan Marshall-Green
Synopsis (concise)
Deep in the Amazon, a medical mission is interrupted when an enormous, primordial creature rises to reclaim its territory. The narrative frames nature as the dominant force, forcing the team to contend with a predator that determines who survives.
As the release approaches, further information — such as trailers, distribution partners, and expanded credits — may be announced by the filmmakers or distributors. For now, the confirmed details are limited to the core creative team, principal cast, genre classification, runtime, and the October 2, 2026 U.S. opening.
Source: Horror Society — BEWARE BOIÚNA ONLY IN THEATERS OCTOBER 2, 2026