Young orphan Saburo uses a special helmet to command the Iron Robot 17 against the forces of the renegade computer Brain. Theatrical release re-edited from the first two episodes of the TV series, which actually preceded the original broadcast of the second episode.
| Actor | Role |
|---|---|
| MMasahiro KamiyaSaburo Minami | Saburo Minami |
 Midori TakeiChie Sahara | Chie Sahara |
 Tadao NakamaruDr. Sahara | Dr. Sahara |
| UUlf OtsukiProfessor Hassler | Professor Hassler |
| KKaho ShimadaRumi Sahara | Rumi Sahara |
| KKenji TamiyaCaptain Nakai | Captain Nakai |
 Kyoji KobayashiNarrator (voice) | Narrator (voice) |