| Seiyuu | Role |
| Yuuko Minaguchi | Yawara Inokuma |
| Ichirou Nagai | Jigoro Inokuma |
| Toshihiko Seki | Kousaku Matsuda |
| Miyuki Ichijou | Jody Rockwell |
| Akira Kamiya | Shinnosuke Kazamatsuri |
| Yuko Mizutani | Anna Tereshkova |
| Yoshino Takamori | Sayaka Honami |
| Masashi Sugawara | Kaoru Hanazono |
| Yukiji | Gonzalez |
| Furin Cha | Kamoda |
| Yumi Touma | Kyouko Hikage (Kyonkyon) |
| Satomi Koorogi | Fukoku Hanazono |
| Yoko Matsuoka | Kaori |
| Masashi Hirose | Kamata |
| Miki Itou | Yurie |