

Actor Alison Brie is the latest to join the cast of of the upcoming live-action feature film Masters of the Universe from Amazon MGM Studio and Mattel Films. Directed by Travis Knight, the film is set for a worldwide theatrical release on June 5, 2026 after a long delay.
According to Variety, Brie will play supervillain Evil-Lyn in the movie. She will be joining Nicholas Galitzine (The Idea of You) who has been cast as the titular He-Man and Camila Mendes as Teela, captain of the royal guard and at times love interest for He-Man.
Masters of the Universe is based on Mattel's famous toy line that spawned a successful animated TV series (1983-85) as well as a 1987 film. It centres on Price Adam of Eternia who, thanks to his Power Sword, turns into He-Man and is embued with superhuman strength and abilities, which he uses to defend his native planet and Castle Grayskull.
According to its official synopsis, Masters of the Universe introduces a 10-year-old Prince Adam, who crashed to Earth in a spaceship and was separated from his magical Power Sword — the only link to his home on Eternia. After tracking it down almost two decades later, Prince Adam is whisked back across space to defend his home planet against the evil forces of Skeletor. But to defeat such a powerful villain, Prince Adam will first need to uncover the mysteries of his past and become He-Man: the most powerful man in the Universe!” Evil-Lyn plays the Skeletor’s second-in-command and holds a magic wand topped with a crystal orb.
The script of the film is written by Chris Butler. It will be produced by Escape Artists’ Todd Black, Jason Blumenthal and Steve Tisch, as well as Mattel Films’ Robbie Brenner.