 | Mitsuo Iwata | ... | Kintaro Oe |
| Gorô Naya | ... | Narrator |
| rest of cast listed alphabetically: |
| Yôsuke Akimoto | ... | A.B.C.D. Company President |
| Carol Amerson | ... | Yuka (voice: English version) |
| Jan Angus | ... | Noriko Katsuda (voice: English version) |
| Yvonne Aquire | ... | Chie (voice: English version) |
| Yôko Asada | ... | Young Ayuko Hayami |
| Curtis Billings | ... | Instructor A, Animator B (voice: English version) |
| Carolyn Boone | ... | Mother (voice: English version) |
| Charles Campbell | ... | Track Announcer, Father, Narrator, Animator C, Animation Checker, Additional Voices (voice: English version) |
| Laura Chapman | ... | Reiko Terayama (voice: English version) |
| Marcie Corder | ... | Wife, Maid (voice: English version) |
| Mika Doi | ... | Female Producer |
| Tatsuya Egawa | ... | Thug A, Tatsuya Engawa |
| Angel Fisher | ... | Additional Voices (voice: English version) |
| Renee Foresman | ... | Employee D (voice: English version) |
| Tiffany Grant | ... | Madame President, Kogure's Girlfriend, Additional Voices (voice: English version) |
| Matt Greenfield | ... | Thug A, Thug B, Yakuza B, Sakata, Porche Driver, Animator D, Additional Voices (voice: English version) |
| Wendy Hughes | ... | Employee C (voice: English version) |
| Kikuko Inoue | ... | Employee A, Ayuko Hayami |
| Kôji Ishii | ... | Swin Instructor B |
| Tatsuyuki Ishimori | ... | Bicycle Shop Man |
| Junko Iwao | ... | Employee B |
| Shôzô Îzuka | ... | Juzô Kachida |
| Mika Kanai | ... | Employee E, Chie |
| Allison Keith | ... | Employee A, Naoko Katsuda (voice: English version) |
| Hajime Koseki | ... | Thug B |
| Jûrôta Kosugi | ... | Hiroshi Kogure |
| Yuka Koyama | ... | Yuka Kanzaki |
| Stuart Krohn | ... | Animator A (voice: English version) |
| Takuri Kurebayashi | ... | Bicycle Shop Woman |
| Jason Lee | ... | Narration, Yakuza A (voice: English version) |
| Tristan MacAvery | ... | Juzo Katsuda, Hiroshi Kogure, Butler, Boss, Additional Voices (voice: English version) |
| Kim McGraw | ... | Instructor B (voice: English version) |
| Brenda Mikeska | ... | Additional Voices (voice: English version) |
| Yûko Minaguchi | ... | Naoko Kachida |
| Yûko Mizutani | ... | Swim Instructor A |
| Rob Mungle | ... | Tatsuya Engawa (voice: English version) |
| Michiko Neya | ... | Swim Instructor C |
| Kenichi Ogata | | |
| Andy Orjuela | ... | Additional Voices (voice: English version) |
| Rick Peeples | ... | Bicycle Shop Man (voice: English version) (as Robert Peeples) |
| Rod Peters | ... | Additional Voices (voice: English version) |
| Marcy Rae | ... | Bicycle Shop Woman (voice: English version) |
| Lorraine Reyes | ... | Girl B, Additional Voices (voice: English version) |
| Mary Lou Reyes | ... | Employee E (voice: English version) |
| Dan Rockwell | ... | Additional Voices (voice: English version) |
| Julio Rodriguez | ... | Additional Voices (voice: English version) |
| Erin Roseaire | ... | Instructor C, Colorist (voice: English version) (as Erin Rosaire) |
| Phil Ross | ... | Owner (voice: English version) |
| Jennifer Rutherford | ... | Additional Voices (voice: English version) |
| Yoshiko Sakakibara | ... | Kogure's Woman |
| Kim Sevier | ... | Additional Voices (voice: English version) |
| Traci Shannon | ... | Employee B (voice: English version) |
| Junko Shimakata | ... | Employee D |
| Yuri Shiratori | ... | Noriko |
| Doug Smith | ... | Kintaro Oe |
| Spike Spencer | ... | Additional Voices (voice: English version) |
| Craig Stewert | ... | Additional Voices (voice: English version) |
| Kurt Stoll | ... | Wakamoto (voice: English version) |
| John Swasey | ... | Director (voice: English version) |
| Wataru Takagi | ... | Office Worker |
| Miki Takahashi | ... | Employee C |
| Sakiko Tamagawa | ... | Reiko Terayama |
| Lew Temple | ... | Animator E (voice: English version) |
| Hiromi Tsuru | ... | Software Company President |
| Sue Ulu | ... | Ayuko Hayamizu (voice: English version) |
| Amanda Winn Lee | ... | Girl A, Producer, Additional Voices (voice: English version) (as Amanda Winn-Lee) |
| Miho Yoshida | ... | Office Lady |
