Tarô Arakawa

as Yorozu Matsuchiyo (voice)

as Jyunai Kaburagi (voice) (2 episodes)

as Antonio

as (voice)

as No-How (Rat / An old Researcher) (52 episodes)

as Mario (voice)

as (voice)

as Butcher (voice)

as Shobu (voice)

as Buru

as Pilot

as Truck Driver #4 / Helicopter Pilot (voice)

as Additional Voices

as Chidoro (voice) (4 episodes)

as Ghost (voice)

as Cop E (ep 4) (4 episodes)

as Policeman (voice)

as Army / Committee G / Eiichi Watanabe (voice)