| Seiyuu | Role |
| Yui Horie | Ayu Tateishi |
| Akemi Kanda | Nina Sakura |
| Saeko Chiba | Maya |
| Reiko Takagi | Rio |
| Hiroshi Kamiya | Tetsushi Kaji |
| Susumu Chiba | Hiroki Tsujiai |
| Sakura Nogawa | Computer Voice |
| Chinami Nishimura | Luna |
| Ai Tokunaga | Erika |
| Kouichi Tohchika | Ouji-sama (Episode 23 - 26) |
| Takuma Takewaka | Sebastian (Episode 11 & 26) |