Everything To Know About Onslaught: Adria Arjona’s A24 Action-Thriller Hits Theatres on 4th Sept

Everything To Know About Onslaught: There is something different about the premise of Onslaught. A genetically engineered squad of super soldiers escapes from a secret military facility; a desert trailer park becomes a battlefield; a former Army sniper has to pick up the weapons she thought she had left; and somewhere in all of this are Dan Stevens, Rebecca Hall, Drew Starkey and Alex Pereira playing a man called Butcher.

Adam Wingard directed Onslaught is A24’s latest swing at genre cinema that appears to be caught somewhere between an ‘80s B-movie, a military thriller and a slasher. At the centre of all the chaos is Adria Arjona, who plays a mother who discovers that being done with violence does not mean that violence is also done with you.

The film arrives in cinemas on September 4, 2026.

Everything To Know About Onslaught: What Is It About?

At the heart of the movie is Celeste, played by Adria Arjona. She is a former Army sniper who has retired from the life that defined her once.

Celeste is a mother living with her young child, attempting to build something ordinary. A group of genetically engineered super soldiers escape from a secret military facility, turning the surroundings into a nightmare. Celeste is forced to get her hands back on the skills she had retired from to protect her child.

Going by the synopsis available, there appears to be no multiverse or franchise mythology and absolutely no homework for the viewers.

When Does Onslaught Release?

Onslaught releases in cinemas on September 4, 2026.

The film is in English and has a runtime of around 1 hour and 32 minutes. It is R-rated for strong bloody violence, some gore, sexual material/nudity, and language.

Should Onslaught Be On Your Watchlist?

If the words A24, Adria Arjona, Adam Wingard, genetically engineered super soldiers horror, action energy: all in the same jar sounds like a good Friday night plan, then you should.

Onslaught seems to be a movie for a very specific kind of audience who enjoy when the cinema is a little feral. It is perhaps the movie you discover, watch at midnight, text your friend about and describe in the most excited tone.

Watch the official trailer of Onslaught on YouTube.

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Angelina Florence Shicil
Angelina Florence Shicilhttps://substack.com/@haanjiangie
Angelina Florence Shicil is a content writer and storyteller with a keen interest in culture, cinema, entertainment, and the everyday lives of people. She enjoys uncovering the human side of every story, believing that the most compelling narratives are often found in ordinary moments. If not writing, she's usually found catching up on her favourite TV shows and making a really nice cup of coffee.

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