After years of anticipation, the live-action Mobile Suit Gundam film is finally on the horizon. Initially unveiled in 2018 through a collaboration between Legendary Pictures and Netflix, the project underwent significant changes in 2025, with Bandai Namco stepping in as a co-production partner after Netflix’s withdrawal. While specific details regarding the plot and crew remain limited, we do know that Jim Mickle, recognized for his work on Sweet Tooth, is set to both write and direct the adaptation. However, that’s not all that has emerged.
This week brought exciting news that actress Sydney Sweeney, celebrated for her performances in titles such as Madame Web and Immaculate, is in final discussions to join the cast of the Gundam movie. This announcement has ignited passionate discussions within the Gundam community, leading to widespread speculation regarding the role she may portray. While official information concerning the film’s narrative or characters is still under wraps, many fans believe Sweeney would be a perfect match for the iconic character, Sayla Mass.
Unveiling Sayla Mass: A Timeless Character in Gundam Lore
Sayla Mass: A Fan-Favorite with Lasting Appeal
Sayla Mass made her debut in the very first episode of Mobile Suit Gundam back in 1979, playing a crucial role during the One Year War saga. Serving as both a communications and medical officer aboard the Earth Federation’s assault ship, White Base, Sayla is also revealed to be the younger sister of the series’ main antagonist, Char Aznable. This familial connection deepens her involvement in the ongoing conflict.
Although categorized as a supporting character, Sayla’s storyline is brimming with emotional conflicts and development. Her unwavering strength and calm presence amidst the turmoil of war have garnered her a loyal fan base over the years.
Throughout Gundam’s extensive legacy, with nearly 50 official anime series produced, Sayla’s popularity has only continued to rise. Later adaptations and spin-offs have explored her life pre- and post-series, maintaining her relevance among fans. Noteworthy titles such as Mobile Suit Gundam: The Origin (2015–2018) delve into her backstory, while Mobile Suit Gundam 0083: Stardust Memory (1991–1992) presents her in a more senior role within the Earth Federation.
Could Sydney Sweeney Step into Sayla’s Shoes? Here’s the Reason Behind the Speculation
An Air of Mystery Surrounds Sweeney’s Potential Role
So why do many believe Sydney Sweeney will take on the role of Sayla Mass? First, she seems to possess the qualities that align with Sayla’s character, despite a notable age difference—Sweeney is 27, compared to Sayla’s 17 at the onset of Mobile Suit Gundam. Physically, Sweeney shares some of Sayla’s defining characteristics, notably her blonde hair, making her a visually fitting candidate for the role. Fans can easily envision her donning Sayla’s iconic white and pale red Earth Federation uniform.
Nevertheless, with significant uncertainties surrounding the film’s narrative and setting, it’s entirely possible that Sweeney could embody a brand-new character altogether. With a variety of timelines and stories at their disposal, creative possibilities remain limitless. Regardless, the anticipation for how Gundam will transition to live-action is palpable, and fans are eager to learn more about the rest of the cast in this exciting venture.