Akio Otsuka is a Japanese voice actor affiliated with Mausu Promotion. He is the son of fellow voice actor Chikao Otsuka. In February 2005, he married voice actress Yoko Soumi, but later divorced her in 2009.
McCallum (voice)
Donbino (voice)
Andy (voice)
Toshimi Konakawa (voice)
Ooyama Kenzou
Batou (voice)
Muroto (voice)
Batou (voice)
McGuire (voice)
Satan (voice)
Captain Joke (voice)
Kumicho
Zaxon (voice)
Batou (voice)
Batou (voice)
Shogen Itadori (voice)
Black Jack
Kenzou (voice)
Solid Snake (voice)
Solid Snake / Solidus Snake (voice)
Hiroshi Fukamachi (voice)
Captain / Dragon Blau
Squadron Leader
(voice)
Snake (voice)
Shinshiro Hajime / Narration (voice)
Marshall D. Teach (voice)
Schwanhelt Bulge (voice)
Souther (voice)
Selena's Father (voice)
Jugo Yokomizo (voice)
Jugo Yokomizo (voice)/Sango Yokomizo (voice)
Daisuke Jigen (voice)
Gail (voice)
Black Jack (voice)
Jack-2 / Narrator (voice)
Whistler 12th (voice)
Koji Takao (voice)
Donarudo Kâchisu (voice)
Duke Togo / Golgo 13
Seth (voice)
Saito (voice)
Vincenzo Mancini (voice)
Captain of the Airship (voice)
Dan (voice)
Marco Rondanini (voice)
Santaro (voice)
Black Jack (voice)
Moominpappa (voice)
Black Jack (voice)
Isha (voice)
Shunsui Kyōraku (voice)
M (voice)
Uvogin (voice)
Shunsui Kyōraku (voice)
Windam (voice)
Phantom
Yoisho (voice)
Takeshi Fujimura (voice)
Champ - Oushi Black (voice)
Champ · Oushi Black (voice)
Champ / Oushi Black (voice)
Shunsui Kyoraku (voice)
Producer (voice) / Toku-san (voice) / Muroi-kun (voice)
Rockwell (voice)
Paradise King
Champ / Oushi Black (Voice)
Iron Kaiser (voice)
Damaramu (voice)
Self / Champ · Oushi Black (voice)
Tadakatsu Honda (voice)
Baron Omatsuri (voice)
Chris (voice)
Banker Kanda (voice) / Narrator
Nobunaga (voice)
Champ / Oushi Black (Voice)
Zoria (voice)
Volvona Forgner (voice)
Narrator (voice)
Imura (voice)
Black Jack (voice)
Narrator (voice)
Narration (voice)
Narrator (voice)
Narrator (voice)
Narrator (voice)
Brian Jay (voice)
Todoroki Tenma (voice)
King of Ingary (voice)
Ganima Noshiagalda (voice)
All For One (voice)
Hacker (voice)
Lt. Cmdr. Andrey Kalinin (Voice)
Leonis (voice)
Thadeus (voice)
Michiru Tsuki (voice)
Asaf (voice)
Inuyasha's father (voice)
Ansem (voice)
Bulldozer Johnny
George Garedean (voice)
Zilu (voice)
Martin Braddock (voice)
Champ (Oushi Black)
Magma (voice)
Pilot Kotani
Dagon (voice)
ONI Commander (segment "Prototype")
Jūzō Numa (voice)
Koji Takao (voice)
Aquaman (voice)
Seiken Swordriver / Wonder Ride Books (voice)
Daisuke Jigen (voice)
General Bouille (voice)
Okuru (voice)
Batou (voice)
(voice)
Tsushima (voice)
Narrator (voice)
John "Sleepy" Estes (a.k.a. Mad Bull)
Thanatos (voice)
Zaxe (voice)
Canary Nejiraa
Bara-Revenger (voice)
Hajime Shinshiro (voice)
Gwendal von Voltaire
Daitetsu Kunikida (voice)
Isshinsai Ogata (voice)
Daitetsu Kunikida (voice)
Minoru Minowa (voice)
Shogo Haseoka (voice)
Schwanhert Bulge
ONI Commander
Morisson (voice)
Gamigamimaō
Pietoro
Thorkell (voice)
(voice)
Detective Keiji Asuka
Montana Jones (voice)
Mister (voice)
Nemo (voice)
Night Phantom (voice)
Gord Baboon
Narration (voice)
Hajime Shinshiro (voice)
Shugo Onodera
Darlian (voice)
Hajime Shinshiro / Narration (voice)
Narrator (voice)
Ancient Dragon (voice)
(voice)
Demolition Shop (voice)
Damaramu (voice)
Shingen Kishitani
Batanen Fujioka
Kitjutsushi (voice)
Azusa Masaki Jurai (voice)
The Avatar of the Wind (voice)
(voice)
Gozo Aida (voice)
Narration (voice)
Sōichi Nishimura (voice)
Shabitel
Windam
Bernardo (voice)
Whitney Hagas Matsumoto (voice)
Daisuke Jigen (voice)
Murobo (voice)
Siam (voice)
Grandpa (voice)
Yujiro Hanma (voice)
Great Dog-Demon (voice)
Narrator (voice)
Saizou (voice)
Champ (voice)
Benares
Kryuger (voice)
Magma
Rider (voice)
(voice)
Gruyere Solgest (voice)
Wamuu (voice)
Hajime Shinshiro (voice)
Morita (voice)
Dimple (voice)
Mysterious Voice (voice)
Shiro / Kojiro Arima (voice)
Milan (voice)
Shunsui Kyoraku (voice)
Regal Bryant (voice)
Seido Hishigata (voice)
Rai-Dei the Blade (voice)
Kunimitsu Tange (voice)
Sergeant Tsutomu Gomioka (voice)
Dagon (Voice)
Chōnbo (voice)
Gomez (voice)
Hades (voice)
Musashi Miyamoto (voice)
Seiji Nomura (voice)
Umamushi (voice)
Uvogin (voice)
Daikaku Inumura (voice)
WISE Director (voice)
Anavel Gato (voice)
Black Jack (voice)
Wataru Sawaragi (voice)
BJ (voice)
Zuizo (voice)
God of War (voice)
Steve H. Foster (voice)
Black Jack (voice)
Kozaburou Nanbu (voice)
gin
Tetsuzou Nihei (voice)
Weissasche (voice)
Moominpappa (voice)
Jūzō Numa (voice)
Mihai Mihaeroff
Chōjirō (voice)
Hanma Yūjirō
Blade (voice)
Mr. Arakawa (voice)
Garuru
Takeshi Ebihara (voice)
Jukai (voice)
Zenji Saiga
Dimple (voice)
Marshall D. Teach/Blackbeard (voice)
Narrator (voice)
Black Jack (voice)
Gus (voice)
Nezugaira (voice)
G. Junior / Cyborg 005 (voice)
Collins (voice)
Kubo (voice)
Gou Karuma (voice)
Zouroku Kashimura (voice)
Blitz T. Abrams
Pipimi (voice)
Gerald Kano (voice)
Lt. Keik Carradine
Lion (voice)
Super Shiro (voice)
Bankman Kanda
Kōtarō Izawa (voice)
Ootsuka Akio
Commander Bark (voice)
Majin Grimoire (voice)
Batou (voice)
Araki Masanori
Touta Kijima (voice)
Touta Kijima (voice)
Brod (voice)
Kenneth Guilford (voice)
All For One (voice)
伊秋院
Shinnosuke Otoi (voice)
Gwendal von Voltaire
Wizer (voice)
Champ / Oushi Black (voice)
Razzie (voice)
Master Alude (voice)
Logwell (voice)
Strong The Budo (voice)
Cornelius / Narrator (voice)
Jerga (voice)
Narrator (voice) / Swordriver (voice)
Execution Division Master (voice)
Hadrianus
Executive director (voice)
Bryan Hawk (voice)
Principal Bear (voice)
Raidou Fujimoto (voice)
Gohin (voice)
Gohin (Flashback) (voice)
Tono (voice)
Varghese (voice)
Soun Tendo (voice)
Abel (voice)
Rimel (voice)
Gark Welter (voice)
Brance (voice)
Aida Gozo (voice)
Third Eye Narration (voice)