Kirk Thornton – Voice Actor Profile & Notable Roles

Kirk Thornton - Voice Actor
Birth Date: 13/05/1956
Kirk Thornton, born May 13, 1956, commands respect as a veteran American voice actor with a gravelly, deep tone that defines brooding, solitary characters. This prolific video game voice actor excels as Shadow the Hedgehog in Sonic, Saïx in Kingdom Hearts, and Klein in Sword Art Online, while also directing dubs for Bleach and Final Fantasy VII Remake. In 2024, he voiced Igor in Persona 3 Reload, bringing a mysterious, theatrical aura that distinguishes this iconic role. With over two hundred credits, Thornton remains the most credited male voice actor in anime dubbing.

Kirk Thornton Voices

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Video Games

Kirk Thornton - Voice Actor
Game: Kingdom Hearts III (2019)
Saïx / Isa (English)
Saïx / Isa is a character from Kingdom Hearts III voiced by Kirk Thornton in English and voiced by Ginpei...
Game: Sonic Racing: CrossWorlds (2025)
Shadow the Hedgehog (English)
Shadow the Hedgehog is a character from Sonic Racing: CrossWorlds voiced by Kirk Thornton in English and voiced by Kōji...
Game: Persona 5 (2016)
SIU Director (English)
SIU Director is a character from Persona 5 voiced by Kirk Thornton in English and voiced by Tomohisa Asō in...
Game: Persona 5 (2016)
Igor (English)
Igor is a character from Persona 5 voiced by Kirk Thornton in English and voiced by Isamu Tanonaka (archive) in...
Game: Brave Fencer Musashi (1998)
Dark Lumina (English)
Dark Lumina is a character from Brave Fencer Musashi voiced by Kirk Thornton in English and voiced by Masashi Ebara...
Game: Brave Fencer Musashi (1998)
Ed (English)
Ed is a character from Brave Fencer Musashi voiced by Kirk Thornton in English and voiced by Kōichi Yamadera in...
Game: Brave Fencer Musashi (1998)
Farmer Rice (English)
Farmer Rice is a character from Brave Fencer Musashi voiced by Kirk Thornton in English and voiced by Chafurin in...
Game: Naruto: Ultimate Ninja Storm (2008)
One-Tailed Shukaku (English)
One-Tailed Shukaku is a character from Naruto: Ultimate Ninja Storm voiced by Kirk Thornton in English and voiced by Hiroshi...
Game: Naruto: Ultimate Ninja Storm (2008)
Kisame Hoshigaki (English)
Kisame Hoshigaki is a character from Naruto: Ultimate Ninja Storm voiced by Kirk Thornton in English and voiced by Tomoyuki...
Kirk Thornton - Voice Actor
Juichi Kito (English)
Juichi Kito is a character from Dandadan voiced by Kirk Thornton in English and voiced by Shirō Saitō in Japanese.
Game: One-Punch Man: A Hero Nobody Knows
Snakebite Snek (English)
Snakebite Snek is a character from One-Punch Man: A Hero Nobody Knows voiced by Kirk Thornton in English and voiced...
Game: Persona 3 Reload
Igor (English)
Igor is a character from Persona 3 Reload voiced by Kirk Thornton in English and voiced by Bin Shimada in...

TV Shows & Series

Kirk Thornton - Voice Actor
TV Shows: Cyberpunk: Edgerunners (2022)
Jimmy Kurosaki (English)
Kirk Thornton - Voice Actor
TV Shows: Sakamoto Days (2025)
Yutaro’s Father (English)
Yutaro's Father is a character from Sakamoto Days voiced by Kirk Thornton in English and voiced by Hironori Kondō in...
Kirk Thornton - Voice Actor
TV Shows: Sakamoto Days (2025)
Pizza Nakajima (English)
Pizza Nakajima is a character from Sakamoto Days voiced by Kirk Thornton in English and voiced by Kanehira Yamamoto in...
Kirk Thornton - Voice Actor
TV Shows: Sakamoto Days (2025)
Narrator(eps. 1, 11) (English)
Narrator(eps. 1, 11) is a character from Sakamoto Days voiced by Kirk Thornton in English and voiced by Hōchū Ōtsuka...
Kirk Thornton - Voice Actor
Web Series: Jujutsu Kaisen (2020)
Narration (English)
Narration is a character from Jujutsu Kaisen voiced by Kirk Thornton in English and voiced by Yoshiko Sakakibara in Japanese.
Kirk Thornton - Voice Actor
Web Series: Jujutsu Kaisen (2020)
Atsuya Kusakabe (English)
Atsuya Kusakabe is a character from Jujutsu Kaisen voiced by Kirk Thornton in English and voiced by Shinichirō Miki in...
Kirk Thornton - Voice Actor
TV Shows: Fate/Zero (2011)
Byakuya Matō (English)
Byakuya Matō is a character from Fate/Zero voiced by 21 in English and voiced by Katsumi Toriumi in Japanese.
Kirk Thornton - Voice Actor
TV Shows: Fate/Zero (2011)
Noritaka Emiya (English)
Noritaka Emiya is a character from Fate/Zero voiced by Kirk Thornton in English and voiced by Isshin Chiba in Japanese.

Movies

Movie: Dandadan: Evil Eye (2025)
Juichi Kito (English)
Juichi Kito is a character from Dandadan: Evil Eye voiced by Kirk Thornton in English and voiced by Shirō Saitō...
Kirk Thornton - Voice Actor
Movie: Jujutsu Kaisen 0 (2021)
Atsuya Kusakabe (English)
Atsuya Kusakabe is a character from Jujutsu Kaisen 0 voiced by Kirk Thornton in English and voiced by Shinichirō Miki...
Kirk Thornton - Voice Actor
Movie: Demon Slayer: Mugen Train (2020)
Tanjuro Kamado (English)
Tanjuro Kamado is a character from Demon Slayer: Mugen Train voiced by Kirk Thornton in English and voiced by Shinichirō...

Narrator Roles

Kirk Thornton - Voice Actor
Animation Narrator: Jujutsu Kaisen (2020)
Kirk Thornton - Voice Actor
Animation Narrator: Sakamoto Days (2025)
If you're up for a wild combo of goofy comedy and over-the-top action, Sakamoto Days is exactly that. It’s based...
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