Hidekatsu Shibata

as Baron Ashura (voice)

(+1 more)

16 episodes

Sayaka Aida

as Shiro Kabuto (voice)

8 episodes

Hiroya Ishimaru

as Koji Kabuto (voice)

8 episodes

Ai Uchikawa

as Sayaka Yumi (voice)

8 episodes

Fumihiko Tachiki

as Boss (voice)

8 episodes

Kosei Tomita

as Doctor Hell (voice)

8 episodes

Akiko Hiramatsu

as Lolly (voice)

8 episodes

Hiroshi Yanaka

as Tetsuya Tsurugi (voice)

8 episodes

Joji Yanami

as Professor Yumi (voice)

8 episodes

Mitsuki Saiga

as Jun Honoo (voice)

8 episodes

Shiho Kikuchi

as Roll (voice)

8 episodes

Gorō Naya

as Juzo Kabuto (voice)

8 episodes

Haruko Kitahama

as Baron Ashura (voice)

8 episodes

Hidenari Ugaki

as Professor Morimori (voice)

8 episodes

Hideyuki Umezu

as Professor Nossori (voice)

8 episodes