| Seiyuu | Role |
| Shun Oguri | Akio Asakura |
| Shinichirou Miki | Tatsuya Shima |
| Kiyotaka Furushima | Maa |
| Anri Katsu | Kou-chan |
| Jin Horikawa | Kouichi Kijima |
| Mamiko Noto | Eriko Asakura |
| Sanae Kobayashi | Shimada-sensei |
| Yoshihisa Kawahara | Kuro |
| Tomokazu Seki | Akio Asakura (Previous Devil Z Owner) |
| Hidenari Ugaki | Akio's Homeroom Teacher |