After being separated for 15 years, the Sword of Power leads Prince Adam back to Eternia, where he discovers his home shattered under the fiendish rule of Skeletor. To save his family and his world, Adam must join forces with his closest allies, Teela and Duncan/Man-At-Arms, and embrace his true destiny as He-Man — the most powerful man in the universe.

Nicholas Galitzine
Adam Glenn / He-Man
Nicholas Dimitri Constantine Galitzine (/ˈɡælɪtsiːn/ GAL-it-seen; born 29 September 1994) is an English actor. After appearing in an episode of Legends in 2015, he had lead roles in the 2016 teen films High Strung and Handsome Devil. He later starred in the supernatural horror films The Craft: Legacy (2020) and the musical film Cinderella (2021), contributing to the latter's accompanying soundtrack. Galitzine gained wider recognition for starring in the romantic streaming films Purple Hearts (2022), Red, White & Royal Blue (2023), and The Idea of You (2024), as well as the comedy film Bottoms (2023) and the period drama series Mary & George (2024). Description above from the Wikipedia article Nicholas Galitzine, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Camila Mendes
Teela

Idris Elba
Duncan / Man-At-Arms

Jared Leto
Skeletor

Alison Brie
Evil-Lyn

Jóhannes Haukur Jóhannesson
Malcolm / Fisto

Jon Xue Zhang
Ram-Man