Timothée Chalamet and Selena Gomez will voice star in Illumination’s upcoming alien movie Not Alone, it was announced out of the Annecy International Animation Film Festival.

Chalamet had teased the announcement in his Instagram Story on Sunday night. He posted a photo of a cloudy sky with the caption “new movie announcement tmrw :)” overlaid on the image, with a small rocket emoji, looking as if it was blasting into space.

Universal and Illumination shared the poster for Not Alone on social media on Monday. The film will hit theaters on April 16, 2027.

The role marks Chalamet’s first feature-length animated film and sees him play introverted rocket mechanic Joe. Gomez is set to voice Fran, an astro-botanist developing the first-ever plant fueled rocket.

“When Joe and Fran are brought together to prepare for the inaugural launch of this revolutionary rocket, there are immediate sparks, but neither is particularly adept at romance,” according to a synopsis from Universal. “Life becomes more complicated when three aliens—tiny, unruly and adorable—take refuge in Joe’s home. Dunk, Welly and Shirm are on the interplanetary run from a zealous-yet-inept officer of the law named Zandro. The aliens determine that Fran’s rocket could provide their means of getting back home to safety.”

The aliens will be voiced by British comedic actors Rob Brydon, Diane Morgan and Jamie Demetriou. Brett Goldstein will voice officer Zandro. The supporting voice cast includes Allison Janney and Lamorne Morris.

Not Alone is directed by Despicable Me 3 co-director Eric Guillon, who designed Despicable Me and Minions and also did design work on The Secret Life of Pets and the Sing films. Guillon will direct alongside Claire Dodgson (editor of The Lorax, Minions, Despicable Me 3, Minions: The Rise of Gru) and Jonathan Del Val (co-director of Minions: The Rise of Gru and The Secret Life of Pets 2).

Not Alone is produced by Illumination founder and CEO Chris Meledandri and executive produced by Joy Poirel, Richard Curtis and David Distenfeld.

Chalamet most recently graced the big screen in Marty Supreme, which earned him an Oscar nomination for best actor as well as best picture for his work as a producer. Before that, he landed Oscar noms for his starring role in the 2024 Bob Dylan biopic A Complete Unknown and for his performance in 2017’s Call Me by Your Name.

Next up, he reprises his role as Paul Atreides in Denis Villeneuve’s Dune: Part Three, scheduled for release in December.

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