Suddenly| Shirase Akira | Nakai Kazuya |
| Amano Misao | Fukuen Misato |
| Akizuki Iku | Yanaka Hiroshi |
| Oze Rintarou (America-Ou) | Takato Yasuhiro |
| Yunoki Yoriko | Orikasa Fumiko |
| Motoki Sae | Nagashima Yuuko |
| Original Idea | Hayashi Hiroki |
| Director | Hayashi Hiroki |
| Series Organisation | J/R Sakurajimaeki |
| Character Design | Makino Ryuuichi |
| Mecha Design | Hashimoto Takashi |
| 3D Director | Iguchi Mitsutaka |
| Art Director | Takahashi Maho |
| Colour Coordinator | Oonishi Mineyo |
| Sound Director | Kameyama Toshiki |
| Director of Photography | Ayuta Yoshifumi |
| Music | Nagaoka Seikou |
| Animation Production | AIC |