Adam Wingard's ON<bos>SLIGHT Trailer Drops! Action Horror Thriller ft. Alex Pereira! (2026)

Get ready for a wild ride with Adam Wingard's upcoming film, Onslaught, a gonzo action horror thriller that promises to deliver an intense and unique cinematic experience. This highly anticipated movie, set for release on September 4th, has already generated buzz with its first trailer, which was attached to the A24 horror film Backrooms.

What makes Onslaught particularly intriguing is its blend of genres, combining action, horror, and a touch of sci-fi. The film is directed by Wingard, known for his cult classics The Guest and You're Next, so we can expect a thrilling and unconventional ride.

The Cast

Onslaught boasts an impressive ensemble cast, led by Adria Arjona, who plays a mother living in a trailer park and forced to rely on her unique skills to protect her family. Dan Stevens, a Wingard regular, portrays a German scientist involved in the film's mysterious experiments. The cast also includes Drew Starkey, Michael Biehn, Reginald VelJohnson, and comedian Eric Wareheim, adding a diverse range of talents to the mix.

One of the standout cast members is UFC Light Heavyweight Champion Alex "Poatan" Pereira, who brings his real-life martial arts expertise to the role. Pereira's skills, including anaconda chokes and roundhouse kicks, will undoubtedly add an authentic and intense layer to the film's action sequences.

The Story

The plot of Onslaught revolves around a threat that escapes from a secret military base, forcing Arjona's character to tap into her hidden abilities to defend her loved ones. Stevens' scientist character is connected to the experiments, while Biehn leads an elite group of mercenaries tasked with containing the threat. The trailer hints at a fast-paced and action-packed narrative, with a healthy dose of horror thrown in for good measure.

Behind the Scenes

Onslaught is a collaborative effort, with Wingard reuniting with his frequent collaborator Simon Barrett, who wrote the screenplay. The film is co-financed by Lyrical Media and A24, with A24 handling worldwide distribution. The production team includes Aaron Ryder, Andrew Swett, Alexander Black, and Wingard himself, along with Barrett and Wingard's manager Jeremy Platt.

Final Thoughts

Onslaught has all the ingredients for a thrilling and memorable cinematic experience. With its blend of action, horror, and a talented cast, the film promises to deliver an intense and entertaining ride. I, for one, am excited to see how Wingard's unique vision unfolds on the big screen. It's a film that will undoubtedly divide audiences, but that's part of its charm. Get ready for a wild and bloody adventure, and keep an eye out for those anaconda chokes!

Adam Wingard's ON<bos>SLIGHT Trailer Drops! Action Horror Thriller ft. Alex Pereira! (2026)
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