| Seiyuu | Role |
| Yukiko Iwai | Luna |
| Akira Ishida | Howard |
| Junko Minagawa | Shingo |
| Mitsuaki Madono | Kaoru |
| Akimitsu Takase | Bell |
| Yasuyuki Kase | Farlow (Episode 35) |
| Mitsuru Ogata | Menori's Father (Episode 11) |
| Kiyomi Asai | Menori (as a child Episode 11) |
| Makoto Ishii | Rui (Episode 23) |
| Kyoko Hikami | Jilba (Episode 27 - 33) |
| Makoto Tsumura | Bell (as a child Episode 21) |
| Akemi Okamura | Luna's Mother (Episode 17) |
| Yuki Masuda | Shingo's Mother (Episode 16) |
| Kenji Hamada | Luna's Father (Episode 1, 4, 5, 14, 17, 38) |
| Masaaki Tsukada | Porto (Episode 27 - 36) |