| Seiyuu | Role |
| Ryoutarou Okiayu | Joshua Grant |
| Hisayoshi Suganuma | Yuuta |
| Masakazu Morita | Alfred Visconti |
| Kenji Nojima | Henri-Hugues de Saint Germain |
| Hideo Ishikawa | Stanislav Sokurov |
| Kouki Miyata | Mihail |
| Keiji Fujiwara | Ivy |
| Junko Iwao | Enju's Sister (Episode 10 & 12) |
| Ryouko Ono | Joshua (as a child Episode 2 & 8) |
| Mariko Kouda | Christina Grant (Episode 2 & 8) |
| Shigeru Shibuya | August (Episode 1, 6, 12) |
| Kouji Yusa | Enju (Episode 2, 7, 10 - 13) |
| Kei Satou | Alfred (as a child Episode 3) |
| Kimiko Saitou | Marta (Episode 4 & 13) |
| Misato Fukuen | Haruya (as a child Episode 5) |
| Hideki Tasaka | Haruomi (Episode 5) |
| Kazuhiko Inoue | Cardith (Episode 13) |