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