Sydney Sweeney is in final talks to star in Legendary’s “Gundam” movie.

“Sweet Tooth” showrunner Jim Mickle is set to write and direct the live-action film, which is co-developed between Legendary and Bandai Namco Filmworks. Mickle also serves as a producer on the project with Linda Moran through their company, Nightshade.

The Japanese military science fiction media franchise “Gundam” first launched in 1979 as a TV series from Yoshiyuki Tomino, “Mobile Suit Gundam.” It grew in popularity through the 1980s due to a wide array of adaptations across animated feature films, novels, manga, toys, models and video games.

The original series is set in the distant future in what is known as the Universal Century, as human colonies in space fight for independence from Earth. The battles are fought largely through giant robots called Mobile Suits.

Legendary first announced the “Gundam” film in 2021, with “Kong: Skull Island” filmmaker Jordan Vogt-Roberts...