| Name | Character | Episodes |
|---|---|---|
| Minori Suzuki | Liko (voice) | 133 |
| Taku Yashiro | Friede (voice) | 62 |
| Ikue Otani | Captain Pikachu (voice) | 58 |
| Kenta Miyake | Murdoch (voice) | 51 |
| Megumi Hayashibara | Nyahoja (voice) | 44 |
| Megumi Hayashibara | Nyarote (voice) | 37 |
| Daisuke Namikawa | Welkamo (voice) | 22 |
| Daisuke Namikawa | Kuwassu (voice) | 12 |
| Yu Shimamura | Briar (voice) | 9 |
| Kaede Hondo | Nanjyamo (voice) | 7 |
| Eri Kitamura | Nemo (voice) | 7 |
| Ikue Otani | Captain Pikachu / Sango (voice) | 4 |
| Ikue Otani | Sango (voice) | 3 |
| Kazuya Nakai | Colza (voice) | 2 |
| Kotaro Koizumi | Homeroom Teacher (voice) | 2 |
| Chiaki Kobayashi | Grusha (voice) | 2 |
| Kohsuke Toriumi | Aoki (voice) | 2 |
| Megumi Hayashibara | Nyahoja / Nyarote (voice) | 1 |
| Daisuke Namikawa | Kuwassu / Welkamo (voice) | 1 |
| Ryotaro Okiayu | Hassaku (voice) | 1 |
| Shimba Tsuchiya | Sohdayo (voice) | 1 |
| Ryo Hirohashi | Botan (voice) | 1 |
| Tatsuki Kobe | Student (voice) | 1 |
| Megumi Okada | Dorm Caretaker (voice) | 1 |
| Mitsuki Saiga | Chili (voice) | 1 |
| Romi Park | Rayu (voice) | 1 |