| Tomo Adachi | | Gretchen (voice: Japanese version) |
| Kohki Akaishi | | Ted (Robbed Man) (voice: Japanese version) |
| Maiko Araki | | Selma (voice: Japanese version) |
| Noriko Fujimoto | | Helga, Lo Fong (voice: Japanese version) |
| Ayumi Fujimura | | Frederica (voice: Japanese version) |
| Keiji Fujiwara | | Pirate Brandeau (voice: Japanese version) |
| Sho Hagiri | | Jeremy, Micky, Nalkul (voice: Japanese version) |
| Kenji Hamada | | Tal (voice: Japanese version) |
| Hikaru Hanada | | Glen (voice: Japanese version) |
| Mieko Hanafusa | | Kooluk Soldier (voice: Japanese version) |
| Katsuhiro Harasawa | | Bartholomew, Gau (voice: Japanese version) |
| Inaho Hasegawa | | Rikie (voice: Japanese version) |
| Masato Hijikata | | Setsu (voice: Japanese version) |
| Hitomi Hirose | | Paula (voice: Japanese version) |
| Takayuki Igarashi | | Nico (voice: Japanese version) |
| Chiemi Ishimatsu | | Jewel (voice: Japanese version) |
| Shizuka Itoh | | Mitsuba, Mizuki (voice: Japanese version) |
| Miyako Ito | | Chiepoo (voice: Japanese version) |
| Mio Iwaoka | | Cray's Son, Rakgi (voice: Japanese version) |
| Akira Iwase | | Helmut (voice: Japanese version) |
| Manabu Jitsukawa | | Pablo (voice: Japanese version) |
| Yuki Kaida | | Jeane (voice: Japanese version) |
| Atsushi Kakehashi | | Keneth (voice: Japanese version) |
| Shinji Kawada | | Eugene, Lo Hak (voice: Japanese version) |
| Yuji Kishi | | Lord Vingerhut, Ramada (voice: Japanese version) |
| Hiroaki Kitajima | | Hervey (voice: Japanese version) |
| Reiko Kiuchi | | Kika (voice: Japanese version) |
| Tomoko Kobashi | | Lilin, Rachel (voice: Japanese version) |
| Nobuyuki Kobushi | | Ugetsu (voice: Japanese version) |
| Yuuki Kodaira | | Kate, Noah (voice: Japanese version) |
| Kenji Kuga | | Assassin, Shiramine (voice: Japanese version) |
| Wendee Lee | | Jewel (voice: English version) |
| Hideki Makino | | Travis (voice: Japanese version) |
| Takashi Masaki | | Axel (voice: Japanese version) |
| Lara Jill Miller | | Chiepoo (voice: English version) |
| Noriko Minagawa | | Ameria (voice: Japanese version) |
| Masako Miyatake | | Lekhaat (voice: Japanese version) |
| Wasabi Mizuta | | Champo (voice: Japanese version) |
| Kiyomitsu Mizuuchi | | Izak (voice: Japanese version) |
| Tsuguo Mogami | | Elves Elder, Konrad, Lo Seng, Tov (voice: Japanese version) |
| Asato Murata | | Tanya, Wendel (voice: Japanese version) |
| Hitomi Nabatame | | Maxine (voice: Japanese version) |
| Kazunari Nagai | | Kooluk Soldier (voice: Japanese version) |
| Hiroki Naito | | Reinhold (voice: Japanese version) |
| Toshihiko Nakajima | | Colton (voice: Japanese version) |
| Kazuhiro Nakata | | Graham Cray (voice: Japanese version) |
| Ikuji Nose | | Sigurd (voice: Japanese version) |
| Seiro Ogino | | Governor, Na-Nal Island Chief, Warlock (voice: Japanese version) |
| Rika Ohgaki | | Louise (voice: Japanese version) |
| Tadasuke Ohmizu | | Troy (voice: Japanese version) (as Tadasuke Oomizu) |
| Aiko Ohno | | Rita (voice: Japanese version) |
| Fumihiro Okabayashi | | Desmond (voice: Japanese version) |
| Aya Okura | | Viki (voice: Japanese version) |
| Takashi Oohara | | Hero (A) (voice: Japanese version) |
| Shintarou Oohata | | Akaghi, Gary (voice: Japanese version) (as Shintarou Oohara) |
| Yoshino Otori | | Elenor (voice: Japanese version) |
| Michelle Ruff | | Paula (voice: English version) (uncredited) |
| Ryota Saitoh | | Karl, Oleg (voice: Japanese version) |
| Ryota Saito | | Karl, Oleg (voice: Japanese version) |
| Lia Sargent | | Mermais Character (voice: English version) (uncredited) |
| Hiroshi Satoh | | Aldo, Rakgi's Dad (voice: Japanese version) |
| Hiroshi Satô | | Aldo, Rakgi's Dad (voice: Japanese version) |
| Junko Shimeno | | Agnes (voice: Japanese version) |
| Tomoyuki Shimura | | Lino En Kuldes (voice: Japanese version) |
| Gou Shinomiya | | Reinbach (voice: Japanese version) (as Go Shinomiya) |
| Harumi Shuga | | Millay, Rene (voice: Japanese version) |
| Nao Takamori | | Katarina (voice: Japanese version) |
| Satoshi Taki | | Dario, Fog Ship Guide (voice: Japanese version) |
| Syuhei Takubo | | Trishtan (voice: Japanese version) |
| Kishô Taniyama | | Snowe (voice: Japanese version) |
| Emi Togawa | | Hero (B), Nalleo (voice: Japanese version) |
| Jun Tomita | | Ornan (voice: Japanese version) |
| Shigeomi Yamaguchi | | Charlemagne (voice: Japanese version) |
| Kotomi Yamakawa | | Flare (voice: Japanese version) |
| Yûko Kaida | | Jeane (voice: Japanese version) |
| Steven Jay Blum | | Brandeau/Additional Voices (voice: English version) (uncredited) |
| Dorothy Melendrez | | Mizuki (voice: English version) (uncredited) |
| Wendee Lee | | Jewel/Viki (voice: English version) (uncredited) |
| Michael Lindsay | | Ted (Robed Man) (voice: English version) (uncredited) |
| Yuri Lowenthal | | Tal (voice: English version) (uncredited) |
| Sherry Lynn | | Noah (voice: English version) (uncredited) |
| Michael McConnohie | | Glen (voice: English version) (uncredited) |
| Mary Elizabeth McGlynn | | Kika/Jeane (voice: English version) (uncredited) |
| Lara Jill Miller | | Chiepoo (voice: English version) (uncredited) |
| Tony Oliver | | Kooluk Soldier (voice: English version) (uncredited) |
| Tony Ricci | | Desmond (voice: English version) (uncredited) |
| Douglas Rye | | Graham Cray (voice: English version) (uncredited) |
| Brianne Siddall | | Rakgi (voice: English version) (uncredited) |
| Henry Douglas Grey | | Ramada (voice: English version) (uncredited) |
| Paul Stephen | | Snowe (voice: English version) (uncredited) |
| Doug Stone | | Setsu (voice: English version) (uncredited) |
| Kim Strauss | | Lino En Kuldes (voice: English version) (uncredited) |
| Kirk Thornton | | Gary (voice: English version) (uncredited) |
| Kari Wahlgren | | Flare (voice: English version) (uncredited) |
| Dave Wittenberg | | Troy (voice: English version) (uncredited) |
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