| Name | Character | Episodes |
|---|---|---|
| Mikako Komatsu | Rebecca Bluegarden (voice) | 50 |
| Mitsuo Iwata | Mosco (voice) | 29 |
| Taku Yashiro | Laguna (voice) | 16 |
| Hochu Otsuka | Ziggy (voice) | 14 |
| Sayaka Ohara | Elsie Crimson (voice) | 13 |
| Daisuke Namikawa | Justice (voice) | 7 |
| Kenichi Suzumura | Shura (voice) | 5 |
| Yohei Tadano | Müller (voice) | 4 |
| Kazuhiko Inoue | Xenolith (voice) | 4 |
| Aya Endo | Holy (voice) | 3 |
| Kikuko Inoue | Mother (voice) | 2 |
| Nobuhiko Okamoto | Noah Glenfield (voice) | 2 |
| Jun'ichi Yanagita | Clown (voice) | 2 |
| Masaya Matsukaze | Eraser (voice) | 1 |