| Cast list |
| Chizuru Ikewaki | as | Haru (voice) |
| Yoshihiko Hakamada | as | Baron (voice) |
| Aki Maeda | as | Yuki (voice) |
| Takayuki Yamada | as | Lune |
| Hitomi Sato | as | Hiromi |
| Kenta Satoi | as | Natori |
| Mari Hamada | as | Natoru |
| Tetsu Watanabe | as | Muta |
| Yôsuke Saitô | as | Toto |
| Kumiko Okae | as | Haru's Mother |
| Tetsuro Tamba | as | Cat King |
| Yo Oizumi | as | Additional voice |
| Youko Honna | as | Additional voice |
| Ken Yasuda | as | Additional Voices |
| Rene Auberjonois | as | Natori (voice: English version) |
| Kristen Bell | as | Hiromi (voice: English version) |
| Greg Berg | as | Additional Voices (voice: English version) |
| Andrew Bevis | as | Prince Lune (voice: English version) |
| Peter Boyle | as | Muta (voice: English version) |
| Erin Chambers | as | Additional Voices (voice: English version) |
| Robert Clotworthy | as | Additional Voices (voice: English version) |
| Katia Coe | as | Little Haru (voice: English version) |
| Kathryn Cressida | as | Additional Voices (voice: English version) (as Kat Cressida) |
| Tim Curry | as | The Cat King (voice: English version) |
| Terri Douglas | as | Additional Voices (voice: English version) |
| Courtnee Draper | as | Additional Voices (voice: English version) |
| Cary Elwes | as | The Baron (voice: English version) |
| Elliott Gould | as | Toto (voice: English version) |
| Judy Greer | as | Yuki (voice: English version) |
| Jason Harris | as | Additional Voices (voice: English version) |
| Anne Hathaway | as | Haru (voice: English version) |
| Brian Herskowitz | as | Additional Voices (voice: English version) |
| Mona Marshall | as | Additional Voices (voice: English version) |
| Randy Montgomery | as | Additional Voices (voice: English version) |
| Bradley Pierce | as | Additional Voices (voice: English version) |
| Andy Richter | as | Natoru (voice: English version) |
| Kristine Sutherland | as | Haru's Mother (voice: English version) |
| Diz White | as | Additional Voices (voice: English version) |
