Benny Safdie is voicing Bowser Jr. in the upcoming animated film The Super Mario Galaxy Movie , while Caety Sagoian remains the long‑time game voice actress for Bowser Jr. in the mainline Mario games.

Main Answer: Who Is Voicing Bowser Jr?

  • In The Super Mario Galaxy Movie (the sequel to 2023’s The Super Mario Bros. Movie set for an April 2026 theatrical release), Bowser Jr. is voiced by filmmaker and actor Benny Safdie.
  • In the video games , Bowser Jr. is currently voiced by Caety Sagoian , who has portrayed him across multiple Mario titles for years.

So if the question “who is voicing Bowser Jr” is about the new movie, the answer is Benny Safdie; if it is about the games, the answer is Caety Sagoian.

Quick Scoop: Why This Is Trending

  • The casting of Benny Safdie as Bowser Jr. made news in late 2025 when Nintendo and Illumination revealed the full trailer and cast list for The Super Mario Galaxy Movie during a major presentation.
  • Fans on gaming and movie forums have been discussing how Safdie’s intense acting style from films like Uncut Gems and Good Time might shape Bowser Jr.’s personality on screen.

Games vs. Movie Voices

  • Games: Caety Sagoian’s voice work for Bowser Jr. can be heard in recent titles such as Super Mario Bros. Wonder , where she continues the character’s energetic, bratty tone.
  • Movies: In the cinematic universe started by the 2023 film, Bowser is played by Jack Black, and Bowser Jr. is now added to the lineup with Benny Safdie providing his voice in the galaxy‑spanning sequel.

Fan Reactions & Forum Talk

  • On Reddit and other forums, some viewers initially thought Bowser Jr. sounded like a modified Jack Black performance in the trailer before learning it was Safdie, which sparked debates about voice similarity and casting choices.
  • Other fans are more focused on how Bowser Jr.’s arrival could shift the story, with speculation that he may come across as even more dangerous or unhinged than Bowser thanks to Safdie’s dramatic background.

TL;DR

  • Movie (The Super Mario Galaxy Movie): Bowser Jr. is voiced by Benny Safdie.
  • Games (modern Nintendo titles): Bowser Jr. is voiced by Caety Sagoian.

Information gathered from public forums or data available on the internet and portrayed here.