The Mario Galaxy Movie Reveals Who Plays Rosalina and Bowser Jr

The first trailer for The Super Mario Galaxy Movie has arrived, and with it comes confirmation of who will be playing Rosalina and Bowser Jr. Over the years have Super Mario franchise has become one of the most iconic names in gaming, and The Super Mario Galaxy Movie brings one of its most beloved spin-offs to life.

Earlier this week, Nintendo announced a surprise Direct Event, where the company emphasized that there would be no games at the showcase and would focus solely on The Super Mario Galaxy Movie. Recently, Super Mario Galaxy has been put back in the spotlight, as the first and second games have come to Switch 2. With Nintendo putting extra focus on the series to build more hype for the upcoming film, the reveal of the voice casting for Rosalina and Bowser Jr. to the increasing tension.

The Super Mario Galaxy Movie Cast Brie Larson and Benny Safdie

The Super Mario Galaxy Movie premieres April 3, 2026.
Brie Larson will voice Rosalina.
Benny Safdie will voice Bowser Jr.

Captain Marvel herself, Brie Larson, will step away from the MCU and dive into the world of Nintendo. Additionally, Benny Safdie will take his place as Bowser Jr., as the character is on a mission to save Bowser. Brie Larson has been incredibly vocal about her love for Nintendo, so her casting as Rosalina makes a lot of sense. Film lovers will know Benny Safdie from his work as a director, screenwriter and actor, and some of his recent works are The Smashing Machine, Uncut gemstonesand Christopher Nolan's Oppenheimer.

Not only will Brie Larson and Benny Safdie be part of the sequel, but the original cast, such as Chris Pratt, Anya Taylor-Joy, Jack Black, Charlie Day and Keegan-Michael Key will also be returning. To take on such a beloved series as Super Mario Galaxy is no easy task, but based on the film's first trailer, Illumination is teasing a visually impressive time at the cinema.

With the sequel coming in April, ardent Nintendo fans only have a few months left before diving into another one Super Mario Film. The legacy of Super Mario have helped build the video game industry, and seeing so many of these characters animated on the big screen is sure to bring a hit of nostalgia. But it's also a demonstration of how intertwined in pop culture video games have become.