Parts 1 & 2. When high school student Masato discovers that his parents aren't really his parents and that he's been selected to pilot the giant robot Zeorymer, he decides he must fight the evil corporation that built it. Unfortunately, the bad guys have already launched the mysterious Hades Project, and their giant robots outnumber Masato 7-to-1 in this Japanese animé series.
| Actor | Role |
|---|---|
 Chieko HondaMiku Himuro (voice) | Miku Himuro (voice) |
 Toshihiko SekiMasato Akitsu (voice) | Masato Akitsu (voice) |
| Toshihiko SekiMasaki Kihara (voice) | Masaki Kihara (voice) |
 Hideyuki TanakaIsao Oki (voice) | Isao Oki (voice) |
 Hirotaka SuzuokiTaiha (voice) | Taiha (voice) |
 Kaneto ShiozawaSaiga (voice) | Saiga (voice) |
 Mahito TsujimuraLurahn (voice) | Lurahn (voice) |
 Masako KatsukiRockfell (voice) | Rockfell (voice) |
 Mayumi ShouYuratei (voice) | Yuratei (voice) |
 Rei SakumaSi Aen (voice) | Si Aen (voice) |
 Show HayamiRitsu (voice) | Ritsu (voice) |
 Tessyo GendaGisou (voice) | Gisou (voice) |
 Yuko SasakiSi Tau (voice) | Si Tau (voice) |
 Issei MasamuneMasato's Father (voice) | Masato's Father (voice) |
| Issei MasamuneNarrator (voice) | Narrator (voice) |