Meet the Cast of Netflix’s ‘The Last House,’ Including All 3 Actresses Who Play Ruth

The Last House is the hottest and buzziest new movie on Netflix. But the movie’s timeline spans a long time, meaning that several members of the Delgado family are played by more than one actor.

The sci-fi thriller follows Ann and Jason Delgado, whose family mysteriously becomes sealed inside its home. As their supplies begin disappearing and the years pass, they must find increasingly inventive ways to survive the unknown force keeping them trapped.

Greta Lee and Wagner Moura remain in their roles throughout the movie, while different performers portray their children, Ruth and Graham, as they get older.

Greta Lee as Ann Delgado

Greta Lee plays Ann, the mother at the center of the Delgado family.

Ann works alongside her husband to keep their children safe as their home changes from a place of security into a survival zone.

Greta is best known for her acclaimed performance in Past Lives. Her credits also include Russian Doll, The Morning Show and A House of Dynamite.

Wagner Moura as Jason Delgado

Wagner Moura plays Ann’s husband Jason.

Jason initially attempts to make sense of the family’s confinement, but the situation becomes a long-term test of his ability to protect Ann, Ruth, and Graham.

Wagner previously starred in Netflix’s Narcos and Narcos: Mexico. Most recently, he earned acclaim for his performance in The Secret Agent. He became the first Brazilian to be nominated for an Academy Award for Best Actor for his role in the 2025 film.

Riley Chung, Emma Ho, and Arden Cho as Ruth Delgado

Minor casting spoiler ahead!

Riley Chung portrays Ruth during the earlier portion of the movie. Riley previously appeared in The Hunger Games: The Ballad of Songbirds & Snakes.

Emma Ho takes over the role as Ruth gets older during the family’s extended confinement. She previously appeared in The Expanse, Titans, and Star Trek: New Worlds.

A third actress is also credited as Ruth: Arden Cho, who provides the voice of the character as an adult. Arden does not appear onscreen. Her role is connected to the movie’s narration, and the identity of that narrator becomes clear during the climactic ending.

Netflix viewers will likely recognize Arden as the voice of Rumi in the massively popular animated movie KPop Demon Hunters. She also stars in the live-action Avatar: The Last Airbender on Netflix and led the Netflix series Partner Track. Before that, she played Kira Yukimura on Teen Wolf.

Noah Alexander Sosnowski and Gabriel Barbosa as Graham Delgado

Noah Alexander Sosnowski plays the younger version of Ann and Jason’s son Graham. His previous credits include Section 8.

Gabriel Barbosa portrays Graham after the story moves forward in time. Gabriel previously appeared in May December.

If you have questions about what happens to the family, check out our complete The Last House ending explainer! We also have a separate spoiler answering what happens to the family’s dog.

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