- Lisa Ortiz
- Mikiko 'Kuromi' Oguro
- Kaori Asô
- Mikiko 'Kuromi' Oguro
- Suzanne Savoy
- Hamako Shihonmatsu
- Reiko Yasuhara
- Hamako Shihonmatsu
- Wayne Grayson
- Hassaku Hozumi
- Yoshiro Matsumoto
- Hassaku Hozumi
- Eric Stuart
- Mizuho Tanonaka
- Eiji Itô
- Mizuho Tanonaka / Professor (voice)
- Dan Green
- Seiichiro Haryu
- Kazuya Ichijô
- Seiichiro Haryu / Nonki Hayama / Go (voice)
- Debora Rabbai
- Aoi Fukami / Battobi (voice) (as Angora Deb)
- Akemi Okamura
- Aoi Fukami / Ken (voice)
- Rachael Lillis
- Mai Horaguchi
- Mayumi Misawa
- Mai Horaguchi
- Scott Cargle
- Masato Oppama
- Masahito Yabe
- Masato Oppama
- Alvaro J. Gonzalez
- President
- Kôji Ishii
- President / Surfer (voice)
- Mieko Ichikawa
- Battobi
- Carole Gold
- Yuri / Announcer (voice) (as Carolee Goodgold)
- Rika Komatsu
- Announcer / Yuri (voice)
- Sam Riegel
- Nonki Hayama
- Eric Schussler
- Surfer
- Akitarô Daichi
- Doshin
