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Tetsuharu Ota Filmography
| 2025 | GINTAMA - Mr.Ginpachi's Zany Class (TV Series) · as Sagaru Yamazaki (voice) |
| 2025 | Necronomico and the Cosmic Horror Show (TV Series) · as Mama (voice) |
| 2025 | The Beginning After the End (TV Series) · as Sebastian (voice) |
| 2024 | Bucchigiri?! (TV Series) · as Ichiya |
| 2023 | Gintama on Theater 2D: Baragaki-hen · as Yamazaki Sagaru (voice) |
| 2023 | The Kingdoms of Ruin (TV Series) · as Palpol |
| 2023 | The Tale of the Outcasts (TV Series) · as Kalim |
| 2021 | Gintama: The Final · as Sagaru Yamazaki (voice) |
| 2019 | Laidbackers · as Koenji (voice) |
| 2019 | I'm from Japan (TV Series) · as Mochizuki |
| 2018 | Bakugan (TV Series) · as Kelion |
| 2018 | Saint Seiya: Saintia Shô (TV Series) · as Evil Snake (voice) |
| 2018 | Muhyo & Roji's Bureau of Supernatural Investigation (TV Series) · as Teeki |
| 2017 | Armed Girl's Machiavellism (TV Series) · as Kusuo Masukodera (voice) |
| 2017 | Uchu Sentai Kyuranger (TV Series) · as Microtsuyoindaver |
| 2014 | In Search of the Lost Future (TV Series) · as Cast |
| 2014 | Love Stage!! (TV Series) · as Host A |
| 2014 | Blade & Soul (TV Series) · as Tate Roll |
| 2014 | Future Card Buddyfight (TV Series) · as Card Rhino |
| 2013 | Gintama the Movie: The Final Chapter - Be Forever Yorozuya · as Sagaru Yamazaki (voice) |
| 2012 | Yorinuki Gintama-san on Theater 2D - Shinsengumi Douran Hen · as Sagaru Yamazaki |
| 2011 | Maken-Ki! Battling Venus (TV Series) · as Goro Fujioka |
| 2011 | Astarotte's Toy (TV Series) · as Mina-Sensei |
| 2011 | Kaizoku Sentai Gokaiger (TV Series) · as Shikabanen (voice) |
| 2010 | The World God Only Knows (TV Series) · as Makeup Artist |
| 2010 | Gintama: The Movie · as Yamazaki Sagaru (voice) |
| 2009 | Jewelpet (TV Series) · as Prime Minister |
| 2009 | Chrome Shelled Regios (TV Series) · as Jaymis |
| 2009 | Viper's Creed (TV Series) · as Jimmy |
| 2008 | Natsume's Book of Friends (TV Series) · as Round-Faced Yokai |
| 2008 | Candy Boy (TV Series) · as Train Announcer |
| 2008 | Family Frenzy Diary (TV Series) · as Boy 2 |
| 2008 | Golgo 13 (TV Series) · as Charlie |
| 2008 | Fist of the North Star: The Legend of Toki · as Young Toki (voice) |
| 2008 | Spice and Wolf (TV Series) · as Kyaku |
| 2008 | Hatenkou Yugi (TV Series) · as Shonen |
| 2007 | Tokyo Marble Chocolate (TV Series) · as Miki's Boyfriend |
| 2007 | Kimikiss Pure Rouge (TV Series) · as Teammate |
| 2007 | Shugo Chara! (TV Series) · as Dance Teacher |
| 2007 | Good Luck! Ninomiya-kun (TV Series) · as Member 2 |
| 2007 | Baccano! (TV Series) · as Dallas's Nakama |
| 2007 | Potemayo (TV Series) · as Hajime Hori |
| 2007 | Dojin Work (TV Series) · as Surfer |
| 2007 | Saiyuki Reload: Burial (TV Series) · as Monk |
| 2007 | Princess Resurrection (TV Series) · as Salaryman |
| 2007 | Toward the Terra (TV Series) · as Male Student |
| 2007 | Shining Tears X Wind (TV Series) · as Shumari |
| 2007 | Darker Than Black (TV Series) · as Organization Guard |
| 2007 | Nagasarete Airantou (TV Series) · as Karaage |
| 2007 | Overdrive (TV Series) · as Audience |
| 2007 | Sisters Of Wellber (TV Series) · as Zansu |
| 2007 | El Cazador de la Bruja (TV Series) · as Guard A |
| 2007 | Gurren Lagann (TV Series) · as Jamo-Roku |
| 2007 | Fist of the North Star: The Legend of Yuria · as Young Toki (voice) |
| 2007 | Venus Versus Virus (TV Series) · as Virus |
| 2007 | Deltora Quest (TV Series) · as Fair |
| 2006 | Tokyo Tribe 2 (TV Series) · as Hands A (voice) |
| 2006 | Gift ~Eternal Rainbow~ (TV Series) · as Male Student |
| 2006 | 009-1 (TV Series) · as Guard |
| 2006 | D.Gray-man (TV Series) · as Akuma |
| 2006 | Pumpkin Scissors (TV Series) · as Gentleman |
| 2006 | Pokémon Ranger and the Temple of the Sea · as Harysen (voice) |
| 2006 | Chocotto Sister (TV Series) · as Chairman |
| 2006 | Night Head Genesis (TV Series) · as Asano |
| 2006 | Kishin Houkou Demonbane (TV Series) · as Masked Man |
| 2006 | The Story of Saiunkoku (TV Series) · as Supernumerary Official |
| 2006 | Kirarin Revolution (TV Series) · as Announcer |
| 2006 | Princess Princess (TV Series) · as Seito |
| 2006 | .hack//Roots (TV Series) · as Pc 1 |
| 2006 | Ouran High School Host Club (TV Series) · as Boy Student |
| 2006 | Utawarerumono (TV Series) · as Chikinaro |
| 2006 | Digimon Data Squad (TV Series) · as Blossomon |
| 2006 | Hell Girl: Two Mirrors (TV Series) · as College Student |
| 2006 | Amaenaideyo!! Katsu!! (TV Series) · as Club Head |
| 2005 | Gintama (TV Series) · as Sagaru Yamazaki |
| 2005 | The King of Fighters Another Day (TV Series) · as Reporter |
| 2005 | Karin (TV Series) · as Male Student |
| 2005 | Aria (TV Series) · as Father Of The Boy (voice) |
| 2005 | Hell Girl (TV Series) · as Sasaki |
| 2005 | The Snow Queen (2005) (TV Series) · as Narcissus |
| 2005 | Zoids Genesis (TV Series) |
| 2005 | Tsubasa: RESERVoir CHRoNiCLE (TV Series) · as Nanto Rokku |
| 2005 | Best Student Council (TV Series) · as Man In Black |
| 2005 | Glass Mask (2005) (TV Series) |
| 2005 | MÄR (TV Series) · as Korekkio |
| 2005 | KARAS (TV Series) · as Doctor |
| 2005 | Rockman. EXE: The Program of Light and Darkness · as Operator |
| 2005 | Buzzer Beater (TV Series) · as Police Officer |
| 2005 | Sukisho! (TV Series) · as Okami |
| 2005 | Ah! My Goddess (TV Series) · as Student |
| 2005 | Starship Operators (TV Series) · as Iriki Kanno |
| 2005 | Magical Canan (TV Series) · as Announcer |
| 2004 | Major (TV Series) · as Yuuichi Izumi |
| 2004 | Bleach (TV Series) · as Shinigami Chi |
| 2004 | Desert Punk (TV Series) · as Edogawa Gang Member |
| 2004 | New Getter Robo (TV Series) · as Yakuza |
| 2003 | Zoids Fuzors (TV Series) · as Man A |
| 2002 | Monkey Typhoon (TV Series) · as Hyoketsu Asobotto |
| 2002 | Petite Princess Yucie (TV Series) · as Art Teacher |