Name: Onslaught
Director: Adam Wingard
Genre: Action, Thriller
Released: 2026-09-04T00:00:00+00:00
Duration: 92 min
Cast: Adria Arjona, Alex Pereira, Dan Stevens, Eric Wareheim, Reginald VelJohnson

A woman lies prone in the sand with amber glass over her eyes and a rifle stretched out ahead of her. Somewhere past the scope, a unit of soldiers the Army built and then lost control of is moving toward the one thing she has left to guard. Onslaught opens on that geometry: a single marksman, a wide horizon, and an enemy engineered to close the distance.

The film is Adam Wingard and Simon Barrett working in the open. Their earlier collaborations kept violence indoors, in corridors and living rooms where the threat had a face and a set of manners. Here the container is desert, and the menace has been manufactured. Adria Arjona holds the frame as Celeste, the sniper — less an action figure than a fixed point the picture keeps returning to, still while everything around her accelerates. The image does the arguing before a line of dialogue arrives: one calm body, one long sightline, a landscape with nowhere to hide.

The casting reads as a set of deliberate contrasts. Dan Stevens, who gave Wingard his most controlled menace once before, returns as Hans Kammler; Rebecca Hall plays Hanna Kammler, the intelligence behind the program that went loose. Michael Biehn — the marksman of an earlier generation of science-fiction action — stands at the edge of the frame as Baylor, a piece of casting that argues for lineage rather than novelty. Drew Starkey and Reginald VelJohnson fill the human middle. And the super-soldier called The Butcher is the mixed-martial-arts champion Alex Pereira, a body cast for what it can do rather than what it can say. The roster is stacked toward physical presence, which is its own statement of intent.

Wingard has moved between registers — the tight home-invasion picture, the studio monster spectacle — and the throughline has always been control of tone. His best work knows exactly how seriously to take itself, and when to let a straight face crack. Onslaught is the test of whether that instinct survives contact with a straight-ahead desert actioner, where the pleasures are meant to be simple and the images have nowhere to hide behind mythology or franchise scaffolding. There is no monster the size of a building here, and no house to trap anyone in. There is sand, heat, and the distance between a scope and a target.

The trailer sells surface before story: sun-scorched wide shots, the amber lenses, muzzle flashes cut against flat light. A24 has spent years making genre feel authored, and the wager here is the same one the company keeps placing — that a B-movie logline, shot with restraint and scored with intent, becomes something a viewer chooses rather than tolerates. The desert is the whole set. What the film does with dust, distance and heat is its real production design, and the amber glass over Arjona’s eyes is the closest thing it has to a poster: warmth and threat in the same frame.

None of that is proven yet. The engineered-soldier-on-the-loose premise is among the most worn in the genre, and a mother shielding a child is the oldest engine an action film owns. A studio’s reputation for taste does not immunize a picture against its own logline, and the tagline — they unleashed their deadliest weapon on us — promises exactly the kind of one-line pulp the film will have to outrun. Whether Wingard and Barrett locate an argument inside the chase, or simply stage the chase with more discipline than the premise deserves, the footage released so far declines to say. The restraint could be control. It could also be a trailer withholding a film that has less on its mind than its images imply.

What the material does have is shape. A sniper is a character defined by patience and sightline, which suits a director who thinks in blocking and tone; a squad of interchangeable engineered bodies is a threat that can be staged as geometry rather than psychology. If Onslaught works, it will be because Wingard treats the desert the way he once treated a single house — as a space with rules, distances and blind spots the audience learns alongside the woman holding the rifle. If it does not, the sand will read as an empty set and the super-soldiers as a premise in search of a third act.

Adria Arjona takes cover with a rifle as a super-soldier looms in Onslaught directed by Adam Wingard 2026 — Adria Arjona in *Onslaught* (2026)

The principal cast lists Adria Arjona, Dan Stevens, Rebecca Hall, Michael Biehn, Drew Starkey, Reginald VelJohnson, Eric Wareheim and Alex Pereira. Wingard directs from a script he wrote with Simon Barrett, his long-running collaborator. A24 produces and distributes, alongside Ryder Picture Company, Lyrical Media and 828 Productions. The film runs a lean 92 minutes, closer to a genre exercise than an epic.

Onslaught reaches United States theaters on September 4, 2026, after opening earlier the same week in a handful of markets. It is ninety-two minutes of desert, glass and gunfire, an A24 action picture betting that the oldest premise in the genre still has one clean shot left in it.