| Ichinomiya Kou/Recruit/Riku | Kamiya Hiroshi |
| Ichinomiya Kou/Recruit/Riku (Boyhood) | Saitou Chiwa |
| Nino | Sakamoto Maaya |
| Village Head | Fujiwara Keiji |
| Hoshi | Sugita Tomokazu |
| Sister | Koyasu Takehito |
| Shiro | Ootsuka Houchu |
| Tetsujin Brothers (Tetsuo) | Sanpei Yuuko |
| Tetsujin Brothers (Tetsurou) | Shintani Ryouko |
| P-ko | Omigawa Chiaki |
| Stella | Saitou Chiwa |
| Maria | Sawashiro Miyuki |
| Last Samurai | Nakamura Yuuichi |
| Billy | Tachiki Fumihiko |
| Jacqueline | Gotou Yuuko |
| Ichinomiya Seki | Koyama Rikiya |
| Takai Terumasa | Cho |
| Shimazaki | Tanaka Rie |
| Kuwabara Potechi/Earth Defence Force Commanding Officer | Seki Tomokazu |
| Amazoness | Kobayashi Yuu |
| Narration | Tachiki Fumihiko |
| Riku's Helper | Ootsuka Houchu |
