Akio Otsuka

as Yujiro Hanma

as Space Agency Bureau Director (voice)

as Narrator (voice) (2 episodes)

as Dimple (voice) (archive footage)

as Ekubo

as Minoru Tonda (voice) (1 episode)

as Mogura (voice) (24 episodes)

as Shunsui Kyoraku (voice)

as Jyuugo Yokomizo (voice)

as Issho Arakawa (voice) (8 episodes)

as Uppi (voice) (1 episode)

as Narrator (voice) (1 episode)

as Kenkichi Sonoi (voice)

as Zenoff (voice) (12 episodes)

as Ahriman (voice) (12 episodes)

as Rivera Feyerabend (voice) (13 episodes)

as Juo Kunio (voice)

as Coffeehouse Owner (voice)

as Bundus Begalkeit (voice) (1 episode)

as Daisuke Jigen (voice)

as DEX (voice)