Koki Uchiyama
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Koki Uchiyama (内山 昂輝, Uchiyama Kōki, August 16, 1990) is a Japanese actor, voice actor (seiyū) and singer from Saitama Prefecture. He is affiliated with Himawari Theater Group. In 2011, he won Best Rookie Actor at the 5th Seiyū Awards, and in 2015, Best Voice Actor at the Tokyo Anime Awards.
Known for
Credits
Unanswered//butterfly (2026)
as Rex (voice)
Milky☆Subway: The Galactic Limited Express - the Movie (2026)
as Kurt (voice)
Jujutsu Kaisen 0 (2021)
as Toge Inumaki (voice)
Violet Evergarden: The Movie (2020)
as Benedict Blue (voice)
HAIKYU!! The Dumpster Battle (2024)
as Kei Tsukishima (voice)
Scarlet (2025)
as (voice)
Evangelion: 3.0+1.0 Thrice Upon a Time (2021)
as Ryōji Kaji (voice)
BLUE LOCK THE MOVIE -EPISODE NAGI- (2024)
as Rin Itoshi (voice)
My Hero Academia: Heroes Rising (2019)
as Tomura Shigaraki (voice)
Demon Slayer: Kimetsu no Yaiba Mt. Natagumo Arc (2021)
as Rui (voice)
100 METERS (2025)
as Zaitsu (voice)
Free! the Final Stroke the Second Volume (2022)
as Ikuya Kirishima (voice)
Violet Evergarden: Eternity and the Auto Memory Doll (2019)
as Benedict Blue (voice)
Free! the Final Stroke the First Volume (2021)
as Ikuya Kirishima (voice)
Shabake (2021)
as Nikichi (voice)
Teasing Master Takagi-san: The Movie (2022)
as Hamaguchi (voice)
Fuuto PI: The Portrait of Kamen Rider Skull (2024)
as Philip / Kamen Rider W (voice)
The Seven Deadly Sins: Grudge of Edinburgh Part 2 (2023)
as Lancelot (voice)
Macross Delta: Passionate Walküre (2018)
as Messer Ihlefeld (voice)
Fate/Grand Order the Movie: Divine Realm of the Round Table: Camelot 1 Wandering; Agateram (2020)
as Tristan (voice)
THE RIBBON HERO (2026)
as Velvet (voice)
High☆Speed!: Free! Starting Days (2015)
as Ikuya Kirishima (voice)
Haikyu!! The Movie: Talent and Sense (2017)
as Kei Tsukishima (voice)
Fate/Grand Order the Movie: Divine Realm of the Round Table: Camelot 2 Paladin; Agateram (2021)
as Tristan (voice)
Haikyu!! The Movie: Battle of Concepts (2017)
as Kei Tsukishima (voice)
Proof of Us (2022)
as Takuya Amano (voice)
The Anthem of the Heart (2015)
as Takumi Sakagami (voice)
City Hunter the Movie: Angel Dust (2023)
as Banagher Links (voice)
Free!: Take Your Marks (2017)
as Ikuya Kirishima (voice)
Violet Evergarden: Recollections (2021)
as Benedict Blue (voice)
Fureru (2024)
as (voice)
Haikyu!! the Movie: The End and the Beginning (2015)
as Kei Tsukishima (voice)
IS＜インフィニット・ストラトス＞ (2011)
as Ichika Orimura
Free! Road to the World - The Dream (2019)
as Ikuya Kirishima (voice)
Haikyu!! the Movie: The Winner and the Loser (2015)
as Kei Tsukishima (voice)
Under the Dog (2016)
as Shunichi Nanase (voice)
Free!: Timeless Medley - The Bond (2017)
as Ikuya Kirishima (voice)
Free!: Timeless Medley - The Promise (2017)
as Ikuya Kirishima (voice)
Kamen Rider Saber × Ghost (2021)
as Desast (voice)
Haikyu!!: VS "Failing Marks" (2015)
as Kei Tsukishima (voice)
SHOWTIME 7 (2025)
as Kaneko (voice)
Haikyu!!: Lev Appears! (2014)
as Kei Tsukishima (voice)
Kaiju No. 8: Hoshina's Day Off (2025)
as Gen Narumi
Pop in Q (2016)
as Reno (voice)
How to Enjoy This World: Secret Story Film (2020)
as Yuyiro (voice)
Dead Dead Demon's Dededede Destruction Part 2 (2024)
as Kenichi Kohiruimaki (voice)
Macross Delta: Zettai Live!!!!!! (2021)
as Messer Ihlefeld (voice)
Desast Walk vs Kenzan Walk (2021)
as Desast (voice)
Kimi dake ni Motetainda. (2019)
as Shigekazu Toshida (voice)
Mobile Suit Gundam Unicorn Film And Live The Final - A Mon Seul Desir (2014)
as Banagher Links
RS Project -Rebirth Storage- (2016)
Actor
The World Ends With You (2007)
as Neku Sakuraba (voice)
Dead Dead Demon's Dededede Destruction Part 1 (2024)
as Kenichi Kohiruimaki (voice)
My Sister Momoko (2003)
as Riki Kuramoto
Farewell, My Dear Cramer: First Touch (2021)
as Tetsuji Yamada (voice)
IS＜インフィニット・ストラトス＞ アンコール 恋に焦がれる六重奏 (2011)
Actor
Kamen Rider Saber: Final Stage (2021)
as Desast (voice)
Kingdom Hearts 358/2 Days (2013)
as Roxas (voice)
Kingdom Hearts Re:coded (2014)
as Data Roxas (voice)
Hotarubi no Mori e (2011)
as Gin (voice)