| Seiyuu | Role |
| Hiro Shimono | Ayato Kamina |
| Aya Hisakawa | Haruka Shitou |
| Ayako Kawasumi | Megumi Shitou |
| Houko Kuwashima | Quon Kisaragi |
| Maaya Sakamoto | Reika Mishima |
| Toshihiko Seki | Makoto Isshiki |
| Yuu Sugimoto | Elvy Hadhiyat |
| Jouji Nakata | Jin Kunugi |
| Kouki Miyata | Souichi Yagumo |
| Mitsuru Miyamoto | Itsuki Kisaragi |
| Kenji Utsumi | Shirou Watari |
| Yuu Asakawa | Shinobu Miwa (Episode 1 - 3, 17, 18, 23, 24) |
| Yumi Kakazu | Hiroko Asahina (Episode 1, 2, 11, 17 - 19, 26) |
| Fumiko Orikasa | Kim Hotal |
| Chikao Ohtsuka | Shougo Rikudoh |
| Atsuko Tanaka | Sayako Nanamori |
| Hirofumi Nojima | Mamoru Torigai |
| Houchu Ohtsuka | Masayoshi Kuki (Episode 1 - 3, 10, 17, 18, 23) |
| Katsunosuke Hori | Jouji Futagami |
| Mako Hyoudou | Helena |
| Iemasa Kayumi | Ernst (Episode 6, 12, 13, 21, 22, 26) |
| Hideki Tasaka | Masaru Gomi |
| Kae Araki | Cathy MacMahon |
| Hiroshi Matsumoto | Donny Wong (Episode 7, 12, 14, 20) |
| Katsuhiro Harasawa | Youhei Yomoda |
| Romi Paku | Makoto Isshiki (as a child Episode 15) |
| Akiko Hiramatsu | Itsuki Kisaragi (as a child Episode 15) |
| Maria Kawamura | Mariko (Episode 10 & 23) |