| Seiyuu | Role |
| Mayumi Iizuka | Clio |
| Shoutarou Morikubo | Orphen |
| Omi Minami | Majic |
| Kazue Ikura | Volkan |
| Hekiru Shiina | Dortin |
| Katsumi Toriumi | Rai |
| Takehito Koyasu | Flameheart |
| Sakiko Tamagawa | Stephanie (Episode 9, 10, 20 - 24) |
| Konami Yoshida | Leki |
| Emi Shinohara | Azalie |
| Ryoutarou Okiayu | Hartia |
| Jouji Nakata | Childman |
| Akiko Yajima | Maris (Episode 11) |
| Daisuke Sakaguchi | Killing Doll (Episode 9 & 10) |
| Masaharu Satou | Batrov (Episode 5 & 6) |
| Kenji Nojima | Cox (Episode 14) |
| Junko Noda | Hartia (as a child Episode 8, 15, 22) |
| Yumiko Nakanishi | Krylancelo (Episode 8, 15, 22) |
| Hiroshi Yanaka | Tim (Episode 10 & 24) |
| Ikuya Sawaki | Bagup (Episode 1 - 3, 24) |
| Yui Horie | Fiena (Episode 5 & 6) |
| Satsuki Yukino | Mariabell (Episode 1 - 3, 24) |
| Asako Shirakura | Ellis (Episode 24) |