
Kirk Thornton is an American actor, voice director, and screenwriter who has spent his career on English-language versions of Japanese animation. In the English dub of Naruto, the Studio Pierrot series, he voices several characters, most notably the swordsman Kisame Hoshigaki.
Thornton takes on several parts across the English dub of Naruto. He voices Kisame Hoshigaki, the shark-like swordsman of the Akatsuki, along with the toad sage Fukasaku, the one-tailed beast Shukaku, and the bridge builder Tazuna. Handling both menacing villains and older mentor figures let him show the range that made him a fixture of anime localization.
Away from Naruto, Thornton has spent decades voicing and directing English adaptations of Japanese series and games. His long list of credits includes Shinji Hirako in Bleach and Saix in the Kingdom Hearts games, and he has frequently served as an ADR director and English scriptwriter, shaping how imported shows are rewritten for Western audiences.
In the English dub of Naruto, Kirk Thornton voices Kisame Hoshigaki, the shark-like swordsman of the Akatsuki, along with the toad sage Fukasaku, the one-tailed beast Shukaku, and the bridge builder Tazuna. Outside Naruto, he is known for Shinji Hirako in Bleach and Saix in the Kingdom Hearts video games.
Beyond Kisame Hoshigaki, Kirk Thornton lends his voice to smaller Naruto parts including the toad sage Fukasaku, the one-tailed beast Shukaku, and the bridge builder Tazuna, showing the range he brings to both villains and side characters.
Beyond performing, Kirk Thornton has worked for decades as a voice director and English scriptwriter for adaptations of Japanese series and games. He has frequently served as an ADR director, shaping how imported shows are rewritten for Western audiences.
Outside Naruto, Kirk Thornton is known for voicing Shinji Hirako in Bleach. He has also voiced Saix in the Kingdom Hearts video game series, part of a career in English-language Japanese animation dating back to 1979.
Kirk Thornton has worked in English-language adaptations of Japanese animation since 1979. Over that career he has voiced characters like Kisame Hoshigaki in Naruto while also directing and scripting English dubs.
This content is original writing by Daddy Jim Anime based on the Naruto anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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