Arto Nieminen is a Finnish voice actor who provides voices for the Finnish dub of Thomas & Friends, he joined the voice cast of Thomas & Friends in King of the Railway
Other Finnish dubbing credits include "Transformers Animated", "Transformers Prime", "Pokémon", Mr. Turner in "The Fairly OddParents", Mojo Jojo in "The Powerpuff Girls Movie", J. Jonah Jameson in "Spiderman the Animated Series", "Top Cat", Inspector Gadget in "Inspector Gadget", and many more.
- Both he and Elise Langenoja have provided voices in the Finnish dub of "The Fairly Odd Parents".
- Both he and Torbjørn Hummel voiced Mr. Turner from "The Fairly OddParents" in their respective languages.
- Both He and Pasi Ruohonen have provided voices in the Finnish dub of "The New Adventures of Lucky Luke".
- He, Nir Ron and Enrique Cervantes voiced Mojo Jojo from "The Powerpuff Girls" in their respective languages.
- He, Juha Paananen and Elise Langenoja have provided voices in the Finnish dub of "Bear in the Big Blue House".