On screen
Cast
12 credited performers
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
Artwork unavailable
Saiko Egawa
Sayaka Yumi
Isamu Tanonaka
Dr. Nossori/Mucha
Keiichi Noda
Alsos
Kosei Tomita
Birdian/Nuke/Orpy
Osamu Kato
Mammothdon/Orpy/Raigorn