Shigeru Ushiyama

as Butler (voice) (1 episode)

as Jim McCarthy (voice)

as Takeda (voice) (2 episodes)

as Principal (voice) (6 episodes)

as Edo (voice) (13 episodes)

as Shu Yashima (voice)

as Entaro Hojo (voice)

as Matsuda (voice) (25 episodes)

as Professor Isaac Gilmore (voice) (3 episodes)

as Professor Isaac Gilmore (voice)

as (voice) (24 episodes)

as Gimlet

as Hiriluk (voice)

as Hiriluk (voice)

as Kvar (voice) (4 episodes)

as Shūei (voice) (3 episodes)

as Professor Shikishima

as Captain Ahbe (voice) (1 episode)

as 敷岛博士（配音） (26 episodes)

as Reporter A (voice) (1 episode), as Kipper (voice) (1 episode)

as Suijen (voice) (26 episodes)

as Toshinori Iwakuni (voice)

as Dr. Hiruluk (voice) (1 episode)