| Seiyuu | Role |
| Yui Horie | Toru Honda |
| Tomokazu Seki | Kyo Souma |
| Aya Hisakawa | Yuki Souma |
| Ryoutarou Okiayu | Shigure Souma |
| Kazuhiko Inoue | Hatori Souma |
| Ayaka Saitou | Momiji Souma |
| Reiko Yasuhara | Saki Hanajima |
| Yuka Imai | Arisa Uotani |
| Kaori Nazuka | Hisa Souma (Episode 17, 19, 21) |
| Haruhi Terada | Kana Souma (Episode 8) |
| Miina Tominaga | Ritsu Souma (Episode 23) |
| Omi Minami | Megumi Hanajima (Episode 18) |
| Kaori Shimizu | Motoko Minagawa (Episode 18 & 22) |
| Miwa Matsumoto | Rika (Episode 22) |
| Mitsuru Miyamoto | Ayame Souma (Episode 14, 16, 20) |
| Reiko Yasuhara | Kyouko Honda (Touru's Mother) |
| Akio Suyama | Hatsuharu Souma (Episode 10, 12 - 14, 17) |
| Yuriko Fuchizaki | Hiro Souma (Episode 21) |
| Akemi Okamura | Micchan (Episode 9, 16, 19, 21) |
| Yuuji Ueda | Makoto Takei (Episode 13, 17, 22) |
| Kotono Mitsuishi | Kagura Souma (Episode 4, 11, 24 - 26) |
| Norihiro Inoue | Kazuma Souma (Episode 24 - 26) |
| Haruhi Terada | Hisa's Mother (Episode 17 & 21) |
| Yuka Imai | Akito Souma (as a child Episode 8, 24, 25) |
| Oma Ichimura | Satomi (Episode 13) |
| Toshihiko Seki | Momiji's Father (Episode 15) |
| Akemi Okamura | Hatsuharu Souma (as a child Episode 10) |
| Miki Machii | Kazuma Souma (as a child Episode 25) |
| Miki Nagasawa | Kyo's Mother (Episode 24 - 26) |