- Masakazu Higo
- Munto
- Haruna Mima
- Yumemi
- Kayoko Satoi
- Ichiko Ono
- Atsushi Takefusas
- Elder
- Yuuki Masuda
- Irita
- Rie Kugimiya
- Suzume Imamura
- Asuka Tanii
- Nozomi Hidaka
- Motomu Kiyokawa
- Gntarl
- Sayaka Ôhara
- Ryuely
- Mayumi Yanagisawa
- Leica
- Jirô Saitô
- Elder
- Kôji Ishii
- Gass
- Dai Matsumoto
- Munto's Father
- Hiro Shimono
- Takashi
- Kei Kobayashi
- Class Representative
- Makoto Yasumura
- Rui
- Masafumi Kimura
- Captain
- Nobuyuki Kobushi
- Class Representative
- Rika Morinaga
- Arine
- Takayasu Usui
- First Lieutenant
- Tarou Masuoka
- Crew
- Yoshio Kawai
- Elder
- Kether Donohue
- Suzume Imamura / Arine (voice) (as Annice Moriarty)
- Wayne Grayson
- Captain / Takashi (voice)
- Dan Green
- Gass / Enda Elder (voice)
- Carol Jacobanis
- Leica
- Lisa Ortiz
- Irita / Nozomi (voice)
- Mike Pollock
- Crew / Shigeru / Shozet Elder (voice)
- Kelly Ray
- Ichiko
- Sean Schemmel
- Munto
- Erica Schroeder
- Ryueli / Class Representative (voice) (as Bella Hudson)
- Veronica Taylor
- Yumemi Hidaka / Toche (voice)
- Marc Thompson
- Gntarl
- Tom Wayland
- Class Representative / First Lieutenant / Rui (voice)
- Buddy Woodward
- Lokon Elder
