Robert Dubois is a Belgian actor who is primarily known for his extensive work in voice acting, specifically for the French-language dubbing of animated series and films, with a strong focus on Japanese anime. His career is characterized by a wide range of roles, from leading heroes to fearsome villains, across many popular and long-running franchises.

Dubois has lent his voice to a multitude of significant characters. In the massive universe of One Piece, he is the voice of Sengoku, a role he has played in both the series and the film One Piece Stampede. He also voices Judge Vinsmoke and Duc Caborage within the same franchise. His work in another long-running series, Naruto, includes the roles of Asuma Sarutobi and Hiruzen Sarutobi.

In the world of Dr. Stone, Dubois voices the skilled craftsman Kaseki, a character he has portrayed across multiple installments, including Dr. Stone, Dr. Stone: Stone Wars, and Dr. Stone: Ryusui. He also takes on the role of Rigur'd in That Time I Got Reincarnated as a Slime. His repertoire includes the villainous Vearn, l'Empereur du Mal, in the 2020 adaptation of Dragon Quest: The Adventure of Dai. He is also the voice of Koichi Zenigata (known as Gaston Lacogne in some versions) in the Lupin III franchise, featuring in the film Lupin III: The First and the series Lupin the Third: Part 5 and Lupin III: Part 6.

Beyond these recent roles, Dubois has a long history of voicing iconic characters. He is a recurring voice for the Marvel character Wolverine, having portrayed him in series such as X-Men: Evolution and Ultimate Spider-Man. He also provided the voice for Megatron in the Transformers franchise, including in Transformers: Prime and the later seasons of Transformers: Cyberverse. His other notable roles include Ancien in the 3D film Harlock: Space Pirate, Captain Blue in Viewtiful Joe, Nirazaki in the Memories segment Stink Bomb, and Wolfgang Slashhaut in Burn The Witch. He also voiced Groot in the series Avengers Assemble.

In addition to his voice acting, Robert Dubois is also known to work as a theater director, highlighting a broader career in the performing arts. His body of work demonstrates a consistent and significant presence in the field of animation dubbing, making him a recognizable and accomplished voice in French-language versions of major international series.