All Cast
Hiroya Ishimaru
Kōji Kabuto (voice)
Ryoichi Tanaka
Tetsuya Tsurugi
Kazuko Sawada
Shirou Kabuto / Fish Battle-Beast Suraba
Chikao Ohtsuka
Professor Kenzou Kabuto
Hiroshi Ôtake
Boss
Kiyoshi Kobayashi
Great Dark General
Joji Yanami
Professor Gennosuke Yumi
Saiko Egawa
Sayaka Yumi
Hiroshi Ôtake
Dr. Sewashi
Isamu Tanonaka
Dr. Nossori/Mucha
Kazuko Sawada
Jaraga/Suraba
Keiichi Noda
Alsos
Kosei Tomita
Birdian/Nuke/Orpy