| Seiyuu | Role |
| Atsuko Enomoto | Kurumi |
| Houko Kuwashima | Nakahito Kagura |
| Tomoko Kawakami | Kichijoji |
| Michiko Neya | Koganei |
| Yasunori Matsumoto | Kamihito Kagura |
| Ai Orikasa | Reiko Amagi |
| Rie Tanaka | Saki |
| Masayo Kurata | Kalinka |
| Akemi Okamura | Kaori |
| Yumi Touma | Michael |
| Ryoka Yuzuki | Tsunami |
| Toshiyuki Morikawa | Dr. Brandow |
| Hirotaka Suzuoki | Dr. Ayanokouji |