Ohtsuka Akio roles (anime)
Akio has done the following roles in anime.
| 3x3 Eyes [1991-1992] | Benares |
| 3x3 Eyes Seima Densetsu [1995-1996] | Benares |
| Aika [1997-1999] | Aida Gouzo |
| Ambassador Magma | Magma |
| Amon: Apocalypse of Devilman | Amon |
| Angel Cop [1989-1994] | Hacker |
| Armor Hunter Mellowlink | Lt. Keak |
| Arslan Senki | Andragoras III |
| Ayane-chan High Kick | Tange Kunimitsu |
| B.B | Kashira |
| Babel II (OAV) | Yomi |
| Baka to Test to Shoukanjuu [2010] | Nishimura Souichi |
| Bakuen Campus Guardress | Kijima Touta |
| Banner of the Stars [2000] | Samson |
| Banner of the Stars II [2001] | Samson |
| Battle Flag of the Stars Special | Samson |
| Black Jack 21 [2006] | Black Jack |
| Black Jack [1995] | Black Jack |
| Black Jack Special | Black Jack |
| Bleach | Kyouraku Shunsui |
| Blue Seed | Kunikida Daitetsu |
| Chibineko Tom no daibouken -Chikyuu wo sukue! Nakamatachi [2014] | Leonis |
| Chinmoku no Kantai | Fukamachi |
| Chou Kousoku Gran Doll | Grand Knight |
| Chuuka Ichiban! [1997-1998] {Episode 1} | narration |
| CLAMP Gakuen Tanteidan {Episode 1} | brother in law |
| Cowboy Bebop | Whitney Hagas Matsumoto |
| Coyote Ragtime Show | Mister |
| Dark Side Blues | Kenzou |
| Detatoko Princess [1997] | Morita |
| Dirty Pair Flash {2} | Calbee |
| Doraemon {Nobita no Sousei Nikki} | god |
| Dragon Half | Damaram |
| Dragoon | Bashua |
| F | Gorou |
| Fire Emblem | Cornelius |
| Fire Emblem | narrator |
| Full Metal Panic! [2001] | Andrei Kalinin |
| Fushigi no Umi no Nadia | Captain Nemo |
| Garzey no Tsubasa | Gelgog Aji |
| Genesis Surviver Gaiarth | Zaxon |
| Geobreeders | Yajima |
| Geobreeders 2 [2000] | Yajima Taichou |
| Ghost in the Shell: Stand Alone Complex | Bateau |
| Ginga Tetsudo Monogatari/Galactic Railways [2003-2004] | Barge |
| Ginga Tetsudou Monogatari -Wasurerareta toki no Wakusei- [2007] | Schwanhelt Bulge |
| Gundam 0083 | Anavel Gato |
| Gundam Wing | narration |
| Gundam Wing {Episode 1-2,4-5,27} | Mr Dorian |
| Gundam Wing Endless Waltz [1997] | narration |
| Hakkenden OAV [1990-1991] | Inumura Daikaku (Kakutarou) |
| Hakugei Densetsu [1997] | Ahab |
| Happy Moomin Family {new} | Muumin Papa |
| Hareluya II Boy [1997] {Episode 11} | Nightmare |
| Hi no Tori | chieftain |
| Hi no Tori TV {Dawn} | chieftain |
| Hyper Police | Batanen Fujioka |
| Jouki Tanteidan (Steam Detectives) | Night Phantom |
| Kabuto | Rasetsubou |
| Kaitou Saint Tail | Asuka detective |
| Key the Metal Idol [1994] | Aoi |
| Kidou Senkan Nadesico [1996-1997] | Misumaru Kouichirou |
| Kindaichi Shounen no Jikenbo | Horinouchi Leo |
| Kinnikuman II Sei {Movie} | The Cyborg |
| Kizuna 1 | Araki Masanori |
| Koukaku Kidoutai | Bateau |
| Kousetsu Hyaku Monogatari | Choujirou |
| Kurau: Phantom Memory | Ayaka's father |
| Kurogane Communication [1998-1999] | Honi |
| Kyou Kara Maou | Gwendel |
| Kyoukara Oreha! | Shiratori |
| Legend of Basara | Khazan |
| Legend of Galactic Heroes | Chen |
| Licensed by Royal [2003] | Mister |
| Lightning Trap | Kotani |
| Lupin III {Steal the dictionary of Napoleon} | Mckaram |
| Lupin III Part 6 [2021] | Jigen Daisuke |
| Mad Bull 34 | Sleepie |
| Magic Knight Rayearth | Windham |
| Magical Hat | Gord Baboon |
| Mahou Tsukai Tai! | Minowa Minoru |
| Mahoujin Guru Guru [1994-1995] | fairy Saiko |
| Master Keaton [1998-1999] | Abdullah Abbas |
| Meitantei Conan (Detective Conan) | Yokomizo |
| Monster [2004-2005] | Milan Kolasch |
| Monster Farm [1999-2000] {Episode 29} | Captain Jim |
| Montana Jones | Montana |
| Nanako Kaitai Shinsho | Ogami Joji |
| Nanatoshi Monogatari [1994] | Kenneth Gilford |
| Neo Ranga | Haseoka Shogo |
| Oni | Takiyasha |
| Onikirimaru | Ishuuin |
| Otaku no Video | Banker Kanda |
| Otaku no Video | Narrator |
| Pat Labor | Gomioka |
| Pat Labor | Kataoka |
| Piano | Nomura Seiji |
| Porco Rosso | Curtis Donald |
| Princess Minerva | Whistler 12th |
| Raijin-Oh | Gokudou |
| Ray the Animation | Black Jack |
| Riki-Oh | Kuwabara |
| Rurouni Kenshin -Meiji Kenkaku Romantan- | Kurogasa |
| Rurouni Kenshin -Meiji Kenkaku Romantan- | Udo Jinei |
| Ryuuki Denshou | Bashua |
| Samurai Champloo [2004] | Okuru |
| Saver Kids {Episode 47,50} | Rasuto |
| Sci-Fi Harry | Mick |
| Shangri-La Frontier [2023] | Viceash |
| Silent Mobius (TV) [1998] | Yamigumo Razan |
| Sin the Movie | Vincenzo Mancini |
| Sol Bianca (1999) | Gwen John |
| Street Fighter II V | narrator |
| Sukeban Deka | Numa Jyuujou |
| Suzumiya Haruhi no Yuuutsu [2006] | Arakawa |
| Tekken | Jack 2 |
| Tekken | narrator |
| Tenchi Muyou | King of Jurai |
| Tenkuu no Escaflowne | Goau |
| Tenkuu no Escaflowne {episode 9} | Goau |
| Tetsuwan Birdy 1996] | Gomez |
| Tokyo Godfathers | doctor |
| Touch Cross Road: Kaze no Yukue | Fujimura |
| Twin Signal | Otoi Nobunosuke |
| Vampire Hunter The Animated Series | Demitri |
| Vampire Miyu (TV) {Episode 3} | Ohshima |
| Villgust | Murobo |
| Virtua Fighter | Van Kuur |