| Name | Character | Episodes |
|---|---|---|
| Chinami Nishimura | Sumako | 36 |
| Tomomichi Nishimura | Dr. Walski | 36 |
| Akemi Okamura | Kaori | 36 |
| Ai Orikasa | Dr. Reiko Amagi | 36 |
| Toshiyuki Morikawa | Dr. Brandow | 36 |
| Yasunori Matsumoto | Kamihito Kagura | 36 |
| Rie Tanaka | Saki | 36 |
| Hirotaka Suzuoki | Dr. Ayanokouji | 36 |
| Tomoko Kawakami | Eiko Kichijoji | 36 |
| Tomoko Kawakami | Yoshino Koganei | 36 |
| Tamio Ohki | The General | 36 |
| Rikako Aikawa | Kyanwan | 36 |
| Kikuko Inoue | 1 | |
| Yumi Touma | 1 |