Reiko Yasuhara

Hamako Shihonmatsu (voice)

Yoshiaki Matsumoto

Hassaku Hozumi (voice)

Eiji Itoh

Mizuho Tanonka / Professor (voice)

Akemi Okamura

Aoi Fukami / Ken (voice)

Akitaro Daichi

Doshin (voice)

Kazuya Ichijo

Go / Nonki Hayama / Seiichiro Haryu (voice)

Koji Ishii

President / Surfer (voice)

Masahito Yabe

Masato Oppama (voice)

Mayumi Misawa

Mai Horaguchi (voice)

Ichikawa Mieko

Battobi (voice)

Rika Komatsu

Announcer / Yuri (voice)

Yoshiaki Matsumoto

Hassako Hozumi (voice)

Kaori Asoh

Mikiko "Kuromi-Chan" Oguro (voice)