| Picture | Name | Seiyuu |
|---|---|---|
| Aika Sumeragi | Rei Sakuma | |
| Bandra | Naoko Kyoda | |
| Black Delmo Leader | Kumiko Nishihara | |
| Blue Leader | Shiratori Yuri | |
| Blue Delmo Valerie & Pierre | Shiho Niiyama | |
| Commander | Yuko Nagashima | |
| Golden Delmo Bianca | Minami Takayama | |
| Golden Delmo Rie Petoriyacowa | Ikue Ootani | |
| Golden Delmo Saniya | Miki Nagasawa | |
| Golden Delmo Toniya | Kikuko Inoue | |
| Gozo | Akio Otsuka | |
| Gusto | Jurota Kosugi | |
| Hargen Rudolf | Kaneto Shiozawa | |
| Meipia Arukimetaria | Sakiko Tamagawa | |
| Michikuza | Masaya Onosaka | |
| Nena Hargen | Atsuko Tanaka | |
| Rion Aida | Hiroko Konishi | |
| White Delmo | Akiko Hiramatsu | |
| White Delmo(captain) | Yuko Nagashima |
| Cover | Name | Land |
|---|---|---|
 | Aika Vol. 1 | JP |
 | Aika Vol. 2 | JP |
 | Aika Vol. 3 | JP |
 | Agent Aika #1: Naked Missions | US |
 | Agent Aika #2: Final Battle | US |
 | AIKa DVD Ep.1-4 Special Trial | DT |
 | AIKa DVD Ep.5-7 New Missions | DT |