Masters of the Universe movie 2026 cast guide opens with Nicholas Galitzine as He-Man leading an Amazon MGM ensemble — Leto, Mendes, Elba, and Brie confirmed per studio press ahead of the June 2026 theatrical launch worldwide.

Galitzine's Prince Adam returns after fifteen years when the Sword of Power calls him home. Travis Knight told trades the story tests reluctant heroism — Galitzine remains the guide's central confirmed role for Mattel's reboot.

Jared Leto campaigned for Skeletor per Knight interviews and Deadline reporting. Amazon confirmed the skull-faced tyrant in December 2024 — plot beats stay verified only when official trailers and studio materials publish them.

Camila Mendes plays Teela and Idris Elba plays Man-At-Arms — Adam's warrior and mentor allies in Amazon's official synopsis. Both joined the cast in 2024 per Variety and Hollywood Reporter trade confirmations.

Purefoy, Baccarin, and Riley play Adam's parents and the Sorceress. Wiig voices Roboto. Trap Jaw and Tri-Klops appear in reported henchman casting — verify final billing on Amazon character posters when they drop.