Kensho Ono (小野 賢章, Ono Kenshō; born October 5, 1989) is a Japanese actor and singer. His most well-known characters are Tetsuya Kuroko, the titular protagonist in the anime series Kuroko's Basketball, Riku Nanase in Idolish7, Ryuunosuke Akutagawa in Bungo Stray Dogs, Giorno Giovanna in JoJo's Bizarre Adventure, Slaine Troyard in Aldnoah.Zero, Yuya Sakaki in Yu-Gi-Oh! Arc-V, Hakuryu Ren in Magi: The Labyrinth of Magic, and Mikaela Hyakuya in Seraph of the End. He is also known as the Japanese dub voice of Harry Potter in the Harry Potter film series, and Miles Morales in Spider-Man: Into the Spider-Verse and Spider-Man: Across the Spider-Verse. He also plays Muromachi Tōji in the Prince of Tennis musical.
Contents
Career
Ono became a voice actor and starred in Toshiie to Matsu.
In February 2014, he launched a singing career with the single "Fantastic Tune". Since then, he has released four singles, two mini albums, and one full album. His fifth solo single "Five Star" was released through Lantis on June 27, 2018, after which he announced a summer tour titled 'Ono Kensho Live Tour 2018'.
Ono was previously represented by Sunaoka Office, a subsidiary of Gekidan Himawari; however, he is now represented by Amino Produce. He has also appeared in various anime and Japanese TV drama series. His 1st television Show was Fafner in the Azure: Dead Aggressor (2004).
In 2022, Ono won the Best Lead Actor Award at the 16th Seiyu Awards.
Personal life
In February 2017, Ono and Kana Hanazawa confirmed that they were dating during a live stream promoting Hanazawa's album release, after Shūkan Bunshun published allegations about their relationship. On July 8, 2020, they announced that they had registered their marriage. On September 14, 2025, Ono and Hanazawa announced their divorce on their social media accounts, citing different lifestyles and being unable to spend time together as their reasons.
Filmography
Films
Shōnen H (2013) – Icchan
Hōtai Club (2007)
Dive!! (2008)
ReLIFE (2017)
Dramas
Taiga drama: Toshiie and Matsu (2002) – Maeda Magoshirō (Eps. 15–17)
Taiga drama: Fūrin Kazan (2007) – Yoriyuki Suwa (Eps. 14–15)
Ballad of a Shinigami – Maruyama
Iwo Jima – Iwao Yamada
Detective School Q – Junya Kameda (Eps. 4–5)
Hakata Stay Hungry – Japanese: 博多ステイハングリ
Fujoshi, Ukkari Gay ni Kokuru (2019) - Mr. Fahrenheit (voice)
Original net animation
Momokuri (2015) – Seiichiro Usami
7 Seeds (2019) – Ango
Japan Sinks: 2020 (2020) – Kaito
Hanma Baki - Son of Ogre (2021) – Chamomile Lessen
Gundam Breaker Battlogue (2021) – Ryūsei Fudо̄
Bastard!! -Heavy Metal, Dark Fantasy- (2022) – Kall-Su
Dandelion (2026) – Yūichi Kyōkawa
Original video animation
Beyond (The Animatrix) (2003) – Manabu
Submarine 707R (2003) – Kenji Manahaya
Coicent (2011) – Kakimono, Shinichi
Ghost in the Shell: Arise (2014) – Vrinda, Jr.
Mobile Suit Gundam: The Origin (2017)
Hi Score Girl: Extra Stage (2019) – Sasquatch Tamagawagakuenmae
Anime films
Legend of the Millennium Dragon (2011) – Tendo Jun
Saint Seiya: Legend of Sanctuary (2014) – Cygnus Hyōga
Boruto: Naruto the Movie (2015) – Shikadai Nara
A Silent Voice (2016) – Nagatsuka Tomohiro
Kuroko's Basketball The Movie: Last Game (2017) — Kuroko Tetsuya
Pretty Cure Super Stars (2018) – Clover
Bungo Stray Dogs: Dead Apple (2018) – Ryūnosuke Akutagawa
A Whisker Away (2020) – Masamichi Isami
BEM: Become Human (2020) – Belo
Mobile Suit Gundam: Hathaway (2021) – Hathaway Noa/Mafty Navue Erin
The Orbital Children (2022) – Taiyō Tsukuba
Rakudai Majo: Fūka to Yami no Majo (2023) – Keith
Komada: A Whisky Family (2023) – Kōtarō Takahashi
My Next Life as a Villainess: All Routes Lead to Doom! The Movie (2023) – Aaqil
My Oni Girl (2024) – Hiiragi Yatsuse
The Rose of Versailles (2025) – Maximilien Robespierre
Undead Unluck Winter Arc (2025) – Tella
Tatsuki Fujimoto Before Chainsaw Man (2025) – Yūto
Video games
Winnie the Pooh: Pre School (1999) – Christopher Robin
Eureka Seven Vol.1: New Wave (2005) – Natabachi's brother
Shinreigari/Ghost Hound DS (2008) – Tarō Kōmori
Sky Crawlers: Innocent Aces (2008) – Kō Ukumori
Dissidia 012 Final Fantasy (2011) – Vaan
Granblue Fantasy (2013) – Ayer, Baal
Photograph Journey (2014) – Kohiyama Yūto
Tokyo Ghoul: Jail (2015) – Rio
Yu-Gi-Oh-ARC-V Tag Force Special (2015) – Sakaki Yuya
Idolish7 (2015) – Nanase Riku
Touken Ranbu (2015) – Monoyoshi Sadamune (物吉貞宗)
Prince of Stride (2015) – Hozumi Kohinata
Ikémen Sengoku: Romances Across Time (2015) – Sanada Yukimura
Dissidia Final Fantasy NT (2015) – Vaan
Final Fantasy Explorers (2016) – Vaan
Dissidia Final Fantasy Opera Omnia (2017) – Vaan
Food Fantasy (2018) – B-52, Napoleon Cake, Brownie
Final Fantasy Brave Exvius: War of the Visions (2019) – Mont Leonis
Saint Seiya Awakening (2019) – Wolf Nachi
Radio dramas
Samurai Shodown: Warriors Rage (Radio Drama) – Seishiro Kuki
Kuroko's Basketball – Kuroko Tetsuya
Drama CD
Tsukiuta – Kannadzuki Iku
Ikemen Sengoku: Romances Across Time – Sanada Yukimura
Paradox Live – Chisei Kuzuryu
Fantastic Night – Tenma Hino
Dubbing
Daniel Radcliffe
Harry Potter series – Harry Potter
December Boys – Maps
The Woman in Black – Arthur Kipps
A Young Doctor's Notebook – Young Doctor
Kill Your Darlings – Allen Ginsberg
Horns – Ignatius "Ig" Perrish
Victor Frankenstein – Igor Straussman
Now You See Me 2 – Walter Mabry
Swiss Army Man – Manny
Guns Akimbo – Miles Lee Harris
The Lost City – Abigail Fairfax
Dessau Dancers – Frank (Gordon Kämmerer)
Dragonheart: Battle for the Heartfire – Edric (Tom Rhys Harries)
Dunkirk – Tommy (Fionn Whitehead)
Free Guy – Keys (Joe Keery)
Jeepers Creepers 2 – Billy Taggart (Shaun Fleming)
Jurassic World: Fallen Kingdom (2025 The Cinema edition) – Franklin Webb (Justice Smith)
Maleficent: Mistress of Evil – Prince Phillip (Harris Dickinson)
Max Keeble's Big Move – Max Keeble (Alex D. Linz)
Me and Earl and the Dying Girl – Greg Gaines (Thomas Mann)
Photobook
Kensho was released on 10 January 2015.
