| Role | 1994 (Snow) | 2023 (Flower) |
| Thierry Sinclair | Ichiro Maki | Yuzuka Rei |
| Lyla | Hanafusa Mari | Hoshikaze Madoka |
| Clifford | Todoroki Yuu | Towaki Sea |
| Strozek | Natori Rei | Takashou Mizuki |
| Colonel Howser | Kodai Mizuki | Rinjou Kira |
| Major Quaid | Izumi Tsukasa | Wataru Hibiki |
| Alva | Wao Youka | Kinami Raito |
| Elsa | Saotome Sachi | Asanoha Kotono |
| Sergeant Rushmore | Katsuragi Nanaho | Haryuu Mitsuki |
| Lena | Asagiri Mai | Rinno Shizuka |
| Shiek | Aran Kei | Takamine Jun |
| Lisa | Marioka Tomomi | Aira Miko |
| Griffin | Mashio Izuru | Maizuki Nagisa |
| Rettorio | Takakura Kyou | |
| Novaro | Yabuki Shou | Ayaki Hikari |
| A writer | Aran Kei | Takamine Jun |
| Attorney / prosecutor | Kazahaya Yuu | Mineka Towa |
| Olneira | Haruhi Urara | |
| Army marshal | Kazu Reisa | |
| Isaac | Tatsuki Mio | |
| Almeira | Suzumina Natsuki | |
| Frau | Miku Rinka | |
| Zakhaev | Naoto Akira | |
| Rudy | Ryouha Mare | |
| Dalton | Amashiro Rein | |
| Latynina | Hatsune Yume | |
| Lana | Koharu Himeka | |
| Zackar | Kagami Seiju | |