| Name | Character | Episodes |
|---|---|---|
| Kana Hanazawa | Elena Kimberlight (voice) | 12 |
| Takehito Koyasu | Obsidian (voice) | 12 |
| Maaya Uchida | Vermeil (voice) | 12 |
| Kazuyuki Okitsu | Shinōji Ryūga (voice) | 12 |
| Nobuhiko Okamoto | Iolite (voice) | 5 |
| Aya Endo | Fatema (voice) | 4 |
| Tetsu Inada | Phalanx (voice) | 3 |
| Shinya Takahashi | Narration (voice) | 2 |
| Yoko Hikasa | Miel (voice) | 1 |
| Sayaka Ohara | Sister (voice) | 1 |
| Katsuhisa Houki | Principal (voice) | 1 |
| Jun'ichi Yanagita | Mackenger (voice) | 1 |