| Name | Character | Episodes |
|---|---|---|
| Rina Hidaka | Milim (voice) | 12 |
| Mao Ichimichi | Shion (voice) | 12 |
| Chikahiro Kobayashi | Ranga (voice) | 12 |
| Takuya Eguchi | Sōei (voice) | 12 |
| Hochu Otsuka | Hakurou (voice) | 12 |
| Miho Okasaki | Rimuru (voice) | 12 |
| Rie Tanaka | Trainee (voice) | 12 |
| Makoto Furukawa | Benimaru (voice) | 12 |
| Jun'ichi Yanagita | Kurobee (voice) | 12 |
| Megumi Toyoguchi | Daikenja (voice) | 10 |
| Yumiri Hanamori | Shizu (voice) | 4 |
| Yoshimasa Hosoya | Youm (voice) | 4 |
| Taku Yashiro | Ifrit (voice) | 4 |
| Reina Ueda | Apito (voice) | 2 |
| Takehito Koyasu | Clayman (voice) | 2 |
| Atsumi Tanezaki | Mjurran (voice) | 1 |
| Sayaka Ohara | Frey (voice) | 1 |
| Masashi Nogawa | Mild (voice) | 1 |