Captured by an alien empire from the planet Dada, Dr. Hayama has programmed the personalities of his two kidnapped sons, Joji and Ryuji, into two Cyberroids to combat the Dada Robot Army and care for his youngest son, Kenji.
| Actor | Role |
|---|---|
 Yūsuke NatsuJoji Hayama / Skyzel | Joji Hayama / Skyzel |
 Takeshi SasakiRyuji Hayama / Granzel | Ryuji Hayama / Granzel |
| SSatoshi FurukawaKenji Hayama | Kenji Hayama |
 Mitsuko HorieEtsuko Shirakawa | Etsuko Shirakawa |
 Michio HazamaNarrator (voice) | Narrator (voice) |