| Seiyuu | Role |
| Rie Tanaka | Chii |
| Tomokazu Sugita | Hideki Motosuwa |
| Kikuko Inoue | Chitose Hibiya |
| Houko Kuwashima | Minoru Kokubunji |
| Fumiko Orikasa | Yuzuki |
| Tomokazu Seki | Shinbo |
| Motoko Kumai | Sumomo |
| Megumi Toyoguchi | Yumi Oomura |
| Ryoka Yuzuki | Takako Shimizu |
| Yukana Nogami | Kotoko |
| Yuuji Ueda | Hiroyasu Ueda |
| Junichi Suwabe | Yoshiyuki Kojima |
| Naomi Shindou | Ueda's Persocom |
| Yuka Tokumitsu | Dita |
| Isshin Chiba | Zima |
| Masaki Aizawa | Yumi's Father |