| Seiyuu | Role |
| Takashi Kondou | Train Heartnet |
| Keiji Fujiwara | Sven Vollfied |
| Takahiro Sakurai | Jenos Hazard |
| Kikuko Inoue | Sefiria Axe |
| Megumi Toyoguchi | Saya Minatsuki |
| Shinichirou Miki | Creed Diskenth |
| Yukana Nogami | Rinslett Walker |
| Misato Fukuen | Eve |
| Atsuko Yuya | Ekidona Palace (Episode 10, 12, 15, 17 - 19, 21) |
| Junko Minagawa | Leon Eliott (Episode 10, 12, 13, 18, 21 - 23) |
| Yasuhiko Kawazu | Maro (Episode 10, 12, 18) |
| Motoko Kumai | Tim (Episode 14, 21 - 23) |
| Mitsuki Saiga | Lin Shaoli (Episode 15, 17 - 23) |
| Nobutoshi Hayashi | River Zastory (Episode 15, 17 - 23) |
| Mitsuru Ogata | Rugdoll (Episode 15, 17 - 19, 21 - 23) |
| Kenta Miyake | Galom (Episode 15, 17, 18, 20 - 23) |
| Junko Minagawa | Sylphie (Episode 15, 17, 20) |
| Ken Takeuchi | Kevin MacDogal (Episode 15, 17 - 19, 21 - 23) |
| Kaori | Saki (Episode 16) |
| Susumu Chiba | Emilio (Episode 20, 22, 23) |
| Anri Katsu | Baldrias (Episode 17, 18, 20, 23) |
| Takaya Kuroda | David Pepper (Episode 17 & 18) |
| Chiemi Chiba | Kyouko Kirisaki (Episode 8 - 10, 12 - 15, 21- 23) |
| Shou Hayami | Charden Flamberg (Episode 8 - 10, 12, 13, 20, 23) |
| Tomoe Hanba | Tanja (Episode 1, 2, 8, 11, 15) |
| Hideyuki Hori | Beruze Rochefort (Episode 2, 4, 5, 7, 11, 19 - 23) |
| Shouko Tsuda | Annette Pias (Episode 2, 5 - 7, 20, 21) |
| Rokuro Naya | Mason (Episode 4 - 7, 17, 19 - 23) |
| Mayumi Yamaguchi | Shiki (Episode 6, 10 - 14, 17, 23) |
| Kouji Ishii | Berger J. Hard (Episode 12) |
| Kimiko Koyama | Ellie (Episode 20) |
| Kouji Ishii | Lib Tyrant (Episode 1) |
| Mitsuru Ogata | Kin (Episode 1 & 5) |
| Jin Horikawa | Igor Planter (Episode 8) |
| Akio Suyama | Gilbas (Episode 9) |
| Kujira | Madame Flesia (Episode 15) |
| Mayumi Yoshida | Joanna (Episode 1) |
| Hisao Egawa | Naizer Bruckheimer (Episode 6 & 12) |
| Susumu Chiba | Preta Ghoul (Episode 2, 18, 19) |
| Nobuo Tobita | Frit Morris (Episode 3 & 4) |
| Yuuto Kazama | Ruddle (Episode 14) |
| Seiji Sasaki | Gilbar (Episode 14) |
| Toshihiko Nakajima | Kargo (Episode 5) |
| Minami Takayama | Train (as a child Episode 13 & 14) |
| Katsuyuki Konishi | Zagiene Akserourke (Episode 1, 14, 23) |
| Anri Katsu | Reis Donovan (Episode 1) |