- Yôsuke Akimoto
- Dagar
- James Carter Cathcart
- Jam (English dub)
- Atsuko Enomoto
- Emeraldas
- Dan Green
- Hardgear
- Keiko Han
- La Andromeda Promethium (Yayoi Yukino)
- Masako Ikeda
- Maetel
- Yûji Kishi
- Brant
- Kôhei Kowada
- Jam, Count Mecha
- Rachael Lillis
- Queen La Andromeda Prometheum
- Takashi Matsuyama
- Hardgear
- Yoshikazu Nagano
- Mechanical Soldier
- Lisa Ortiz
- Maetel
- Joshua Popenoe
- Brant
- David Logan Rankin
- Dagar
- Tony Salerno
- Additional Voices
- Naomi Shindô
- Cast
- Veronica Taylor
- Emeraldas
- Satsuki Yukino
- Maetel (age 15)
