Overview
- Kevin Afghani reprised the role of Mario and also recorded voices for Waluigi, Luigi, Wario and several baby variants.
- Courtney Lin was announced as the voice of Princess Peach and Baby Peach, succeeding Samantha Kelly after an 18-year run.
- Paul Castro Jr. will voice the non-playable Toads, while the actor for the playable Toad has yet to be revealed.
- Laura Stahl debuts as Toadette and Dawn M. Bennett returns to voice Nabbit in the game.
- Koji Takeda takes on Donkey Kong in Mario Kart World after portraying the character in the Japanese version of The Super Mario Bros. Movie.