Japanese Cast[]
| Character/ Characters | Voice Cast | Picture |
|---|---|---|
| Saya | Eri Kitamura | 
|
| Hagi | Katsuyuki Konishi | 
|
| Kai | Hiroyuki Yoshino | 
|
| Riku/Diva | Akiko Yajima | 
|
| George | Hôchû Ôtsuka |
English Cast[]
| Character/ Characters | Voice Cast | Picture |
|---|---|---|
| Saya/Diva/Liza/Roba | Kari Wahlgren | 
|
| Hagi/ Van/Joel VI/Sorimachi/Phillip Rosenberg/Male Volunteer/Forest | Crispin Freeman | 
|
| Kai/Gestas/Katō | Ben Diskin | 
|
| Riku/Ghee | Kamail Minter |   |
| Solomon/Karman/Gudriff/Jan/Glay | Dave Wittenberg | 
|
| David/David's father | Christopher Nissley | 
|
| Lewis/ Okamura/ James/Archer/Mr. lnamine/Ted A. Adams/Joel Goldschmidt/Professor Hirohisa Sukegawa/Rodgers | David Rasner |   |
| Julia/Mrs. Kinjō/Dismas | Abby Craden | 
|
| Amshel/Nathan/George/Kakimoto/Dahz/Spencer | Wally Wingert | 
|
| Mao/Irene/Alison/Female Volunteer | Olivia Hack | 
|
| Kaori/Kanade | Amber Hood |   |
| Collins/Moses/Grant | Steve Blum |   |
| Karl/McCoy | Quinton Flynn |   |
| Min/Lulu/Javier/Hibiki | Lara Jill Miller | 
|
| Hagi (young)/Nahabi/Bread | Jeannie Elias |   |
| Ms. Lee/Clara | Jennifer Darling |   |
| Anna-Marie/Beni/Sonya | Liz Sroka |   thumb |
| Monique | Stephanie Sheh |   thumb |
| Reimi/Mui | Janice Kawaye |   thumb |
