| Seiyuu | Role |
| Shinichirou Miki | Asato Tsuzuki |
| Mayumi Asano | Hisoka Kurosaki |
| Tomomichi Nishimura | Chief Konoe |
| Yumiko Nakanishi | Gushoushin (older) |
| Wasabi Mizuta | Gushoushin (younger) |
| Shou Hayami | Muraki |
| Toshiyuki Morikawa | Seiichirou Tatsumi |
| Toshihiko Seki | Yutaka Watari |
| Juurouta Kosugi | The Earl |
| Eriko Kawasaki | Mariko (Episode 10 - 12) |
| Takashi Nagasako | Muraki's Grandfather (Episode 10) |
| Machiko Toyoshima | Tsubaki (Episode 7 - 9) |
| Masako Katsuki | Maria's Mother (Episode 1 & 2) |
| Yuka Imai | Maria Wong (Episode 1 & 2) |
| Nobuo Tobita | Professor Satomi (Episode 10 - 12) |
| Houchu Ohtsuka | Tsubaki's Father (Episode 7 & 8) |
| Juurouta Kosugi | Narration |
| Kazuhiko Inoue | Oriya (Episode 10, 11, 13) |
| Kumi Sakuma | Irene (Episode 8 & 9) |
| Yumi Kakazu | Maki (Episode 10 & 11) |
| Yuri Shiratori | Wakaba (Episode 1 & 13) |
| Shouzou Iizuka | Shouzou Wakabayashi (Episode 7) |
| Takeshi Kusao | Tetsuhiro Abiko (Episode 7 & 8) |
| Naoko Matsui | Kanako Houjou (Episode 7 & 8) |
| Tomoko Kawakami | Kazusa Otonashi (Episode 4 - 6) |
| Minami Takayama | Hijiri Minase (Episode 4 - 6) |
| Hiroyuki Yoshino | Saionji (Episode 4) |
| Kenichi Suzumura | Yamashita (Episode 4 & 6) |
| Yumiko Nakanishi | Tsuzuki (as a child Episode 6) |