Selected Cast | Kira Vincent-Davis as Ruri Hoshino |
| Cynthia Martinez as Hikaru Amano |
| Spike Spencer as Akito Tenkawa |
| Mark Laskowski as Juk Idi |
| Phil Ross as Jin |
| John Swasey as Seiya |
| Rob Mungle as Goat Hory |
| Paul Sidello as Prospector |
| Jay Hickman as Chairman |
| Jason Douglas as Additional Voices |
| John Gremillion as Additional Voices |
| Andy McAvin as Additional Voices |
| Greg Stanley as Additional Voices |
| Lew Temple as Additional Voices |
| Junie Hoang as Eri / ... |
| Brett Weaver as Gai |
| Yûji Ueda as Tenkawa Akito |
| Houko Kuwashima as Misumaru Yurika |
| Kentarô Itô as Jun Aoi |
| Naoko Takano as Megumi Reynard |
| Maya Okamoto as Haruka Minato |
| Omi Minami as Hoshino Ruri |
| Nobuo Tobita as Seiya Uribatake |
| Jûrôta Kosugi as Holly Goto |
| Nobuo Tanaka as Fukube Jin / ... |
| Kenichi Ono as Prospector |
| Tomokazu Seki as Gai Daigoji |
| Mitsuaki Madono as Sadaaki Munetake |
| Akio Ôtsuka as Kouichiro Misumaru |
| Junichi Sugawara as Saizo |
| Tomoko Kawakami as Ai |
| Akira Nakagawa as Ai no Haha |
| Katashi Ishizuka as Gunjin |
| Ben Takano as Oyaji |
| Kôichi Nagano as Keibiin |
| Hideyuki Tanaka as Kantoku |
| Jennifer K. Earhart as Yurika Misumaru |
| Sue Ulu |
| Jenni Strader as Megumi Reinard |
| Kelly Manison as Haruka Minato |
| Tiffany Grant as Ryoko Subaru |
| Tamara Lo as Izumi Maki |
| Heather Dyson as Inez |
| Emily Carter-Essex as Erika |
| Marcy Rae as Howmei |
| Orian Granvelot as Additional Voices |
| Rene Parker as Additional Voices |
| Foley Gang as Additional Voices |
| Vic Mignogna as Ikeda, Additional Voices |
| Monica Rial as Mikako |
| Toshiyuki Morikawa as Motoichirou |
| Ikue Ōtani as Shiratori Yukina |
| Chris Patton as Saburota |
| Hilary Haag as Aqua |
| Christine M. Auten as Kumi's Mother, Queen |
| Ryôtarô Okiayu as Akatsuki Nagare |
| Chisa Yokoyama as Subaru Ryoko |
| Miki Nagasawa as Maki Izumi |
| Jason Lee [2] as Additional Voices |
| Matt Greenfield as Additional Voices |
| Naoko Matsui as Ines |
| Andrew Klimko as King Premium, Additional Voices |
| John Kaiser as Chief Investigator, Old Man, Additional Voices |
| Yûko Nagashima as Erina Kinjou Won |
| Kunihiko Yasui as Haruki |
| Kelli Cousins as Harumi, Seelie, Mari, Additional Voices |
| Miyuki Ichijô as Howmei |
| Kôsuke Okano as Akara |
| Chris Corey as Joe |
| Randy Sparks as Kumi's Father, Boro, Additional Voices |
| Ekanem Ebinne as Jyunko, MII-E MII-E, Child, Additional Voices |
| Catherine Pine as Ai's mother |
| Heather Bryson as Inez Frassange |
| Ted Pfister as Admiral Kouichiro Misumaru, Additional Voices |
| Christopher Bourque as Ukelele Performer |
| Don'l Johnson as Chief Commander |
| Randy Fox as Old Man, Meditation Robots, Additional Voices |
| Sheri Sims as Kumi |
| James Marshall as Director Sato, Additional Voices |
| Meredith J. Dahl as Sayuri, Additional Voices |
| Rei Nakagawa as Ai's mother |
| Anna Bechtal as Eri, Additional Voices |
| Shiho Kikuchi as Amano Hikaru |
| Nicole Sonnier as Scientist 1 |
| David Geller as Akito's Boss, Saizou, Additional Voices |