| Makabe Kazuki | Ishii Makoto |
| Minashiro Soushi | Kiyasu Kouhei |
| Toomi Maya | Matsumoto Marika |
| Minashiro Tsubaki/Girl (ep.1,3) | Nakanishi Tamaki |
| Makabe Fumihiko | Tanaka Masahiko |
| Toomi Chizuru | Shinohara Emi |
| Hino Michio | Hori Hideyuki |
| Toomi Yumiko | Yukana |
| Kanon Memphis | Kobayashi Sanae |
| Hazama Shouko | Matsuki Miyu |
| Kasugai Kouyou | Irino Miyu |
| Kodate Mamoru | Saiga Mitsuki |
| Kaname Sakura | Arai Satomi |
| Kondou Kenji | Shiraishi Minoru |
| Mizoguchi Kyouhei | Hashi Takaya |
| Kariya Kukie | Soumi Youko |
| Kondou Ayano | Tamagawa Sakiko |
| Kaname Kiyomi | Ishikawa Shizuka |
| Hazama Youko | Katsuragi Nanaho |
| Nishio Ikumi | Kyouda Hisako |
| Tezuka Kazuhira | Shingaki Tarusuke |
| Tategami Seri | Fukuen Misato |
| Nishio Rina | Shiraishi Ryouko |
| Douma Hiroto | Sasaki Nozomu |
| Mitsuhiro Bartland/Mysterious Man (ep.5) | Mori Katsuji |
| Hester Gallop | Fujita Toshiko |
| Dudley Burns | Uchida Naoya |
| Kodate Tamotsu | Takase Akimitsu |
| Kodate Chisato | Satou Ai |
| Kasugai Masahiro | Kawai Tomoya |
| Kasugai Ryouko | Tsuda Shouko |
| Myorunia | Toyoguchi Megumi |
| Idun | Madono Mitsuaki |
| Minashiro Kouzou (ep.1-2) | Nakata Jouji |
| Kaname Seiichirou (ep.1) | Koyama Rikiya |
| Hino Megumi (ep.1) | Komiya Kazue |
| Kuramae Karin (ep.1) | Shiraishi Ryouko |
| Young Kazuki (ep.1) | Toyoguchi Megumi |
| Kuu (ep.2-3) | Shiraishi Ryouko |
| Shokora (ep.2-3,7) | Shiraishi Ryouko |
| Pilot (ep.4) | Ogata Mitsuru |
| Pilot (ep.4) | Saitou Jirou |
| Staff (ep.4) | Sonobe Keiichi |
| Operator (ep.4) | Mogami Tsuguo |
| Operator (ep.4) | Kohara Masakazu |
| A Project Staff (ep.7) | Shimura Tomoyuki |
| A Project Staff (ep.7) | Imamura Takahiro |
| Mechanic (ep.7) | Tanaka Nobuyuki |
| Young Man (ep.8) | Shiratori Yuri |
| Medic Member (ep.8) | Mukaidono Asami |
| Operator (ep.8) | Katougi Satoshi |
| Team Member (ep.8) | Kurita Kei |
| Team Member (ep.8) | Kakegawa Kimitake |
| Team Member (ep.8) | Ogawa Kazuki |
| Team Member (ep.8) | Yamaguchi Shigeomi |
| Worker (ep.8) | Kouda Masaaki |
| Worker (ep.8) | Shirokuma Hiroshi |
| Alberich Staff (ep.9) | Watanabe Akeno |
| Alberich Staff (ep.9) | Hayamizu Risa |
| Housewife (ep.9) | Saeki Tomo |
| Douma Ryouhei (ep.10) | Suzuki Kiyonobu |
| Fish Dealer (ep.10) | Asakura Eisuke |
| Soldier (ep.11) | Funaki Masato |
| Hino Youji (ep.13-14) | Kosugi Juurouta |
| Staff (ep.13) | Horikawa Jin |
| Control Commander (ep.13) | Sakaguchi Kouichi |
| Pilot (ep.13) | Kazama Yuuto |
| Controller (ep.13) | Shinomiya Gou |
| Broadcasting (ep.13) | Shigematsu Tomo |
| Broadcasting (ep.13) | Kouzuki Miwa |
| Crew (ep.14) | Kondou Takashi |
| Staff (ep.15-16) | Murozono Takehiro |
| Staff (ep.15-16) | Kawamura Takuo |
| Pilot (ep.16) | Yukino Satsuki |
| Staff (ep.16) | Shirokuma Hiroshi |
| Staff (ep.17) | Kondou Takayuki |
| Male Student (ep.21) | Kawahara Yoshihisa |
| Male Student (ep.21) | Koizumi Ichirouta |
| Female Student (ep.21) | Tanii Asuka |
| Man (ep.23) | Sonobe Keiichi |
| Staff (ep.23) | Mogami Tsuguo |
| Worker (ep.23) | Harada Masao |
| Human Army Soldier (Final Episode Special) | Tachibana Shinnosuke |
| Communications Officer (Final Episode Special) | Kondou Takashi |
