Kyle Gallner & Raul Castillo Join Alexandra Daddario in Horror Film 'Inground'

The horror thriller is currently in production in Atlanta.

Apr. 16, 2026 at 4:55pm

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An extreme close-up photograph of a shattered mirror reflecting a faint red light, conceptually representing the dark forces that disrupt a family's summer project.The unsettling textures and lighting of this abstract macro shot evoke the sinister supernatural elements at the heart of the new horror thriller Inground.Atlanta Today

Genre favorites Kyle Gallner and Raul Castillo have joined the cast of the upcoming horror thriller 'Inground', which also stars Alexandra Daddario. The film follows a recently divorced father who attempts to reconnect with his young son by building a swimming pool in his backyard, but a dark force takes hold of them.

Why it matters

This casting announcement adds two well-known genre actors to the project, which is being produced by acclaimed filmmaker Ridley Scott. The film's premise of a family facing a supernatural threat during a summer pool-building project also taps into timely themes of isolation, obsession, and the fragility of domestic life.

The details

Gallner and Castillo have joined Alexandra Daddario in the cast of 'Inground', a horror thriller from producer Ridley Scott. The film follows a recently divorced father who attempts to reconnect with his young son by building a swimming pool in his backyard, but a dark force takes hold of them. Aaron Katz is directing the film from a screenplay by Dan Dworkin. The project is currently in production in Atlanta.

  • Inground is currently in production in Atlanta.
  • Gallner can next be seen in the romantic thriller Carolina Caroline, in theaters June 5.

The players

Kyle Gallner

An American actor known for his roles in horror and thriller films such as Smile and Scream.

Raul Castillo

An American actor who has appeared in films like Smile 2 and The Hand That Rocks the Cradle.

Alexandra Daddario

An American actress known for her roles in Texas Chainsaw 3D and other horror projects.

Ridley Scott

A renowned British filmmaker who is producing Inground through his production company Scott Free Productions.

Aaron Katz

The director of Inground, known for his work on films like Gemini.

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What’s next

Inground is currently in production in Atlanta, and Gallner can next be seen in the romantic thriller Carolina Caroline, which is set to hit theaters on June 5.

The takeaway

The addition of established horror genre actors like Gallner and Castillo to the cast of Inground, along with the involvement of acclaimed producer Ridley Scott, suggests this could be an intriguing and suspenseful new entry in the horror thriller genre.