Ohtsuka Akio roles (drama)
Akio has done the following roles in CD/radio dramas.
| Aika [CD] | Aida Gouzou |
| Ayakashi Ninden Kunoichiban Gaiden [CD] {Volume 1-2} | ? |
| Bouken Radio Movie [CD] {2} | Kuwamizu Gorou |
| Chou Kousoku Gran Doll [radio] | Grand Knight |
| Cinematic Sound Drama GetBackers [CD] {Legend of Vampire} | ? |
| Clock Tower 2 [CD] | Samuel Barton |
| Clock Tower 2 [CD] | Scissorman |
| Fire Emblem [CD] | ? |
| Fortune Quest [CT] | Bokuboku's father |
| Fushigi no Umi no Nadia -Yattara kou nacchatta Nadia- [CD] | ? |
| Gekkou no Pierce [CD] | king |
| Gundam Wing [radio] | narrator |
| Jojo's Bizarre Adventure [CD] | ? |
| Joker [CD] | Barley |
| King of Fighters '96 Drama CD [CD] | narrator |
| King of Fighters '98 Drama CD [CD] | narrator |
| King of Fighters 97 Drama CD [CD] | narration |
| King of Fighters 97 Gekitotsuhen [radio] | narration |
| King of Fighters 97 Shukumeihen [radio] | narration |
| Luna Silver Story Lunatic Festa [CD] {Vol 1} | Dain |
| Luna Silver Story Lunatic Festa [CD] {Vol 2} | Reiku |
| Marouou Fuu'unden [?] | ? |
| Metal Gear Solid [CD] | Solid Snake |
| Psychic Force [CD, radio] | narration |
| Sampaguita [CD] | ? |
| Scramble Wars "Yami no Labyrinth" Drama Hen [CD] | Zackson |
| Shadow Skill [CD] | Scar Face |
| Street Fighter EX [radio] | narration |
| Street Fighter II [CD] | ? |
| Tohshinden -Before Stage- [CD] | ? |
| Twin Signal Sound Theater [CD] | ? |
| Vampire Hunter [radio/CD] | Demitri |
| Vampire Hunter Gaiden: Shukumei no tabibito Donovan [CD] | NA |
