| Seiyuu | Role |
| Hiro Yuuki | Claude C. Kenni |
| Mayumi Iizuka | Rena Lanford |
| Mami Kingetsu | Celine Jules |
| Tomokazu Seki | Ashton Anchors |
| Tomoe Hanba | Precis F. Neumann |
| Tomoyuki Shimura | Ururun |
| Chiaki Takahashi | Sophia (Episode 14 - 16) |
| Takehito Koyasu | Dias |
| Megumi Matsumoto | Yuki |
| Rika Matsumoto | Opera Vectra (Episodde 7, 21 - 24, 26) |
| Kanako Mitsuhashi | Leon D. S. Geeste |
| Yasunori Matsumoto | Bowman Jean |
| Hiroshi Yanaka | Ernest (Episode 17, 23, 24, 26) |
| Ikuya Sawaki | Ronix J. Kenny (Episode 1, 2, 24, 26) |
| Michihiro Ikemizu | Gamgee (Episode 14 - 16) |
| Katsuhiro Kitagawa | King of Lacour (Episode 15 - 17) |
| Kouji Yusa | Keith (Episode 13 & 21) |
| Tetsu Inada | Bisque (Episode 14 - 16) |
| Takahiro Sakurai | Gabriel (Episode 24 - 26) |
| Hikaru Midorikawa | Alen (Episode 2 & 3) |
| Kenichi Ogata | Regis (Episode 1 - 3) |
| Chie Nakamura | Eleanor's Mother (Episode 11 & 12) |
| Masayo Kurata | Eleanor (Episode 11 & 12) |
| Fumiko Orikasa | Westa (Episode 1 - 3) |
| Sayaka Ohara | Niine (Episode 11 - 13) |
| Ema Kogure | Cecil (Episode 19) |
| Naomi Wakabayashi | Claude (as a child Episode 16) |
| Chihiro Suzuki | Azamgil (Episode 5) |
| Kazuya Nakai | Snakeman (Episode 5) |