Doppiatori

Il cast dei doppiatori della versione giapponese:
Chihiro Suzuki as Kouta
Sanae Kobayashi as Lucy / Nyuu
Emiko Hagiwara as Mayu
Hiroaki Hirata as Professore Kakuzawa
Hitomi Nabatame as Kouta (bambino)
Jouji Nakata as Bandou
Kinryuu Arimoto as Comandante Kakuzawa
Mamiko Noto as Yuka
Maria Yamamoto as Kanae
Osamu Hosoi as Kurama
Tomoko Kawakami as Mariko
Yuki Matsuoka as Nana

Il cast dei doppiatori della versione inglese:
Adam Conlon as Kouta
Kira Vincent-Davis as Lucy / Nyuu
Cynthia Martinez as Mayu
Jason Douglas as Bandoh
Jay Hickman as Kurama
John Swasey as Professore Kakuzawa
Luci Christian as Mariko
Nancy Novotny as Yuka
Sasha Paysinger as Nana

Il cast dei doppiatori della versione tedesca:
Jesco Wirthgen as Kouta
Samia Little Elk as Lucy/Nyu
Gerald Paradies as Bandou
Julia Kaufmann as Yuka
Kathrin Neusser as Mayu
Robert Schmalz as Kouta (bambino)
Rubina Kuraoka as Nana
Engelbert von Nordhausen as Comandante Kakuzawa
Erich Räuker as Kurama
Gundi Eberhard as Arakawa
Jennifer Weiss as Mariko
Marco Kröger as Erzähler
Markus Haase as Professore Kakuzawa