River plot summary: Three siblings who, after being stranded in a boat on a country river, are stalked by a faceless killer.

River premiered at TIFF in 2026 and received mostly praise, with the TIFF audience purportedly being rowdy and cheering during the screening.

There was a bidding war to acquire this film, Universal Pictures and Blumhouse Atomic Monster were successful.

We know the film will be a survival slasher flick that takes place on a river, with early reviews praising its sound design, tension, and masked killer.

Directed by rookie Joshua Giuliano, this is their directorial debut.

River cast features: Jessice Rothe, Jane Levy, Dane DiLiegro, Max Mattern, Kellen Boyle, Mickey Dolan, and others.

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