A spin-off of Giant Robo: The Day the Earth Stood Still Ginrei notices that her China dress has gone missing, and she must solve this mystery quickly!
| Actor | Role |
|---|---|
 Shozo IizukaTetsugyu (voice) | Tetsugyu (voice) |
 Sumi ShimamotoGin Rei (voice) | Gin Rei (voice) |
 Kappei YamaguchiDaisaku Kusama (voice) | Daisaku Kusama (voice) |
 Kazue KomiyaYoushi (voice) | Youshi (voice) |
 Masashi EbaraProfessor Go (voice) | Professor Go (voice) |
| MMitsuki YayoiBlack Ginrei (voice) | Black Ginrei (voice) |
 Norio WakamotoTaiso (voice) | Taiso (voice) |
 Takeshi AonoIssei (voice) | Issei (voice) |
 Yosuke AkimotoAlberto (voice) | Alberto (voice) |
 Yûji MikimotoKenji Murasame (voice) | Kenji Murasame (voice) |
 Tomokazu SekiNot listed | Not listed |
| YYasunori YugeNot listed | Not listed |