| Seiyuu | Role |
| Hikaru Midorikawa | Heero Yuy |
| Akiko Yajima | Relena Darlian |
| Takehito Koyasu | Zechs Merquise |
| Shigeru Nakahara | Trowa |
| Chisa Yokoyama | Noin |
| Sayuri | Lady Une |
| Ryoutarou Okiayu | Treize |
| Ai Orikasa | Quatre |
| Toshihiko Seki | Duo Maxwell |
| Yumi Touma | Sally Po |
| Akio Ohtsuka | Mr. Darlian |
| Akio Ohtsuka | Narration |
| Toshiyuki Morikawa | Otto |
| Takeshi Kusao | Müller |
| Yumi Touma | Mrs. Darlian |
| Isshin Chiba | Septem |