Kōji Kabuto (voice)
Hiroya Ishimaru
Tetsuya Tsurugi
Ryoichi Tanaka
Jaraga/Suraba
Kazuko Sawada
Alsos
Keiichi Noda
Birdian/Nuke/Orpy
Kosei Tomita
Mammothdon/Orpy/Raigorn
Osamu Kato
Shirou Kabuto / Fish Battle-Beast Suraba
Professor Kenzou Kabuto
Chikao Ohtsuka
Boss
Hiroshi Ôtake
Great Dark General
Kiyoshi Kobayashi
Professor Gennosuke Yumi
Joji Yanami
Sayaka Yumi
Saiko Egawa
Dr. Sewashi
Dr. Nossori/Mucha
Isamu Tanonaka
Director
Nobutaka Nishizawa
Music
Chumei Watanabe
Author
Go Nagai
Executive Producer
Shunichi Toishi
Screenplay
Susumu Takaku
Art Direction
Tadanao Tsuji
Seiichi Moro
Editor
Yutaka Chikura