Attracted by the report of the development of a new type of rocket fuel, the vicious dictator of Krangkor, the dark planet, descends on Earth to steal the formula from its creator, the benevolent Dr. Makin.
as Yûsei ôji / Waku-san
as Dr. Maki
as Ambassador Maboroshi / Maboroshi taishi
as Sachko Shibasaki
as Mukai
as Inspector Takeda
as Colonel Watanabe
as Newsreporter Tabei
as Doctor Naitô
as Commander Kôda
as Tsunoda