Anderson
Matthewson (voice)
Cat Sailor B (voice)
God of Poseidon (voice)
Sea King (voice)
Zhang Song (voice)
Professor (voice)
Boss (voice)
Lawrence
Hans (voice)
Mr. Ishihara (voice)
Poseidon
Dr. Nossori
Makio (voice)
Hiroyuki's Stepfather (voice)
Konaki Jijii (voice)
Principal (voice)
Yano Father (voice)
Minister of Science (voice)
Zaimoku
Kumagorou
由美子の父
堂下来内
(voice)
メルチュウル
トマス・ウィバリー
Uno (voice)
Prof. Daiba (voice)