Keith Silverstein is an American actor and voice actor, who is best known for his extensive voice work in the English dub version of various anime productions and video games, such as Gantetsu and Kimimaro Kaguya in Naruto, Detective Kunkun in Rozen Maiden, Kazuo Aida in Honey and Clover, Vector the Crocodile in the Sonic the Hedgehog video games and TV series, Torbjörn in Overwatch, and Kenji Tsukino and Professor Souichi Tomoe in the Viz Media dub of Sailor Moon and its spin-off Sailor Moon Crystal. He also voiced Hawk Moth in Miraculous: Tales of Ladybug & Cat Noir and Ulric, Brute, and Rascal in Glitter Force.
For Disney, he voiced Gantu in the English dub of Stitch! (replacing Kevin Michael Richardson). He also portrayed Gregorio Casal in season 3 of Violetta, voiced Barry in the Amphibia episode "Cursed!", and provided additional voices in Tron: Uprising, Big City Greens, and Kingdom Hearts III.