| Seiyuu | Role |
| Souichirou Hoshi | Souichirou Nagi |
| Aya Hisakawa | Maya Natsume |
| Minori Chihara | Aya Natsume |
| Shiho Kawaragi | Mana Kuzunoha |
| Shuichi Ikeda | Shin Natsume |
| Kenta Miyake | Sagara |
| Haruhi Terada | Emi Isuzu |
| Ryoko Shiraishi | Chiaki |
| Kazuki Yao | Bunshichi Tawara |
| Tomokazu Seki | Masataka Takayanagi |
| Shinichirou Miki | Bob Makihara |
| Toshiyuki Morikawa | Mitsuomi Takayanagi |
| Eiji Hanawa | Tagami |
| Ikuya Sawaki | Toudou |
| Isshin Chiba | Utan |
| Mariko Suzuki | Okappa |
| Shintarou Oohata | Boushi |
| Kinryu Arimoto | Dougen Takayanagi |
| Issei Miyazaki | Fu Chien |
| Hikaru Tokita | Shin Natsume (as a child) |
| Akira Ishida | Masahiro Sanada (Episode 10) |
| Nobuyuki Hiyama | Ishimatsu |
| Kenji Hamada | Ryuuzaki |
| Mitsuaki Madono | Kagurazaka |
| Yuri Amano | Makiko Nagi |
| Shinji Kawada | Kanekita |