Brie Larson voices Rosalina, and Benny Safdie voices Bowser Jr. Nintendo and Illumination announced both castings on November 12, 2025, alongside the film’s official trailer.
Who voices Rosalina and Bowser Jr.?
Brie Larson voices Rosalina, while Benny Safdie voices Bowser Jr. The joint announcement from Nintendo and Illumination identified them as new members of the movie’s voice cast. Nintendo’s later March 10, 2026 cast announcement listed both actors again, confirming the roles in the official cast listing.
When were the actors announced?
Nintendo and Illumination revealed Larson and Safdie on November 12, 2025, in conjunction with the official trailer. The joint release said: “In addition, the two companies announced the voice actors for the characters Rosalina and Bowser Jr., who appear in the movie.” The sentence was attributed to the companies’ release, not to an individual speaker.
What is The Super Mario Galaxy Movie about?
Nintendo describes the animated film as based on the world of Super Mario Bros. and as following The Super Mario Bros. Movie. Peacock’s synopsis says Mario and Luigi meet Yoshi and encounter new worlds and characters, including Rosalina and Bowser Jr.
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When did the movie come out?
The release date changed after the initial announcement, so the dates refer to different points in the schedule. Nintendo and Illumination first announced April 3, 2026, for the United States and many global markets, with Japan set for April 24. Nintendo’s March 10, 2026 release revised the US and many global-market date to April 1, while keeping Japan’s date at April 24. Nintendo’s May 2026 investor material says the movie began its global release on April 1.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Where can you watch it?
Peacock currently lists The Super Mario Galaxy Movie as available to stream and gives its runtime as 1 hour and 38 minutes. Streaming catalogs can change, so check Peacock’s title page for current availability.
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