Onslaught is an upcoming American action horror film directed by Adam Wingard and written by Wingard and Simon Barrett. The film's ensemble cast features Adria Arjona, Dan Stevens, Alex Pereira, Michael Biehn, Drew Starkey, Rebecca Hall, Eric Wareheim, and Reginald VelJohnson. It will be released by A24.
A mother living in a trailer park aims to protect her loved ones from a threat that escaped a secret military base, while mercenaries try to contain it.
The Hollywood Reporter announced Onslaught in September 2024, unveiling Adam Wingard and Simon Barrett writing, Wingard directing, and Adria Arjona starring and serving as executive producer for A24, Aaron Ryder's Ryder Picture Company, and Lyrical Media. From October 2024 through January 2025, Alex Pereira, Dan Stevens, Michael Biehn, Drew Starkey, Rebecca Hall, Eric Wareheim, and Reginald VelJohnson joined the cast; Stevens previously collaborated with Wingard on The Guest (2014) and ' (2024), the latter also starring Hall.
Principal photography began in November 2024, in Albuquerque, New Mexico, and lasted until January 2025.