| Seiyuu | Role |
| Saki Nakajima | Ichigo Momomiya |
| Hisayo Mochizuki | Purin |
| Kumi Sakuma | Retasu Midorikawa |
| Yumi Kakazu | Mint Aizawa |
| Junko Noda | Zakuro Fujiwara |
| Megumi Ogata | Masaya Aoyama |
| Kouichi Tohchika | Ryo Shirogane |
| Hikaru Midorikawa | Keiichirou Akasaka |
| Junko Noda | Masha (R-2000) |
| Daisuke Sakaguchi | Kisshu |
| Nobutoshi Hayashi | Pie |
| Kiyomi Asai | Tarte |
| Tomoko Kaneda | Miwa Honjou |
| Akiko Nakagawa | Moe Yanagida |
| Junko Minagawa | Ryo Shirogane (as a child Episode 36) |
| Katsuyuki Konishi | Ichigo's Father |
| Takako Honda | Ichigo's Mother |
| Rieko Takahashi | Ryo's Mother (Episode 36) |
| Hikaru Midorikawa | Piano Ghost (Episode 4) |
| Kousuke Okano | Masazou Aoyamada (Episode 8) |
| Souichirou Hoshi | Seiji Aizawa (Episode 9) |
| Maria Kawamura | Rei Nishina (Episode 14) |
| Kentarou Itou | Norihiro Edomurasaki (Episode 16) |
| Tomoe Hanba | Satsuki (Episode 16) |
| Fumiko Orikasa | Iruka (Episode 19) |
| Takako Honda | Tochiya (Episode 19) |
| Akiko Nakagawa | Takashi (Episode 19) |
| Satsuki Yukino | Kindergarten Teacher (Episode 20) |
| Rika Komatsu | Purin's Mother (Episode 20) |
| Tomoko Kaneda | Heicha (Episode 20 & 33) |
| Akiko Nakagawa | Chancha (Episode 20) |
| Rika Komatsu | Ruucha (Episode 20) |
| Kiyomi Asai | Honcha (Episode 20) |
| Masaya Onosaka | Asano-kun (Episode 29) |
| Ayako Kawasumi | Jacqueline (Episode 29) |
| Katsuyuki Konishi | Michelle (Episode 29) |
| Akemi Okamura | Mariko (Episode 30) |
| Megumi Ogata | Ao no Kishi (Blue Knight) |
| Tomoe Hanba | Kanna Saionji (Episode 32) |
| Toshiyuki Morikawa | Ron Yueping (Episode 33) |
| Tomoko Kawakami | Ayano Uemura (Episode 34) |
| Nobuo Tobita | Retasu's Father (Episode 34) |
| Michiko Neya | Retasu's Mother (Episode 34) |
| Kurumi Mamiya | Momoka (Episode 35) |
| Kouji Tsujitani | Doctor Shirogane (Episode 36) |
| Kumiko Takizawa | Mrs. Ijuuin (Episode 29) |
| Sachiko Kojima | Tsukiko Yamada (Episode 24) |
| Akira Ishida | Shunsuke (Episode 30) |