Millie Helluva Boss has been dubbed in many languages, such as Spanish, French, German, Japanese, and more. Some of the voice actors for Millie Helluva Boss in other languages are:
Spanish: Cristina Hernández, who also voiced Sakura Haruno from Naruto, and Buttercup from The Powerpuff Girls.
French: Marie Nonnenmacher, who also voiced Rapunzel from Tangled, and Star Butterfly from Star vs. the Forces of Evil.
German: Julia Meynen, who also voiced Hermione Granger from Harry Potter, and Katara from Avatar: The Last Airbender.
Japanese: Rie Takahashi, who also voiced Megumin from Konosuba, and Emilia from Re:Zero.