 Mamoru MiyanoKei Nagai (voice) | Kei Nagai (voice) |
 Yoshimasa HosoyaKaito (voice) | Kaito (voice) |
 Hochu OtsukaSatō (voice) | Satō (voice) |
 Takahiro SakuraiTosaki (voice) | Tosaki (voice) |
 Mikako KomatsuIzumi Shimomura (voice) | Izumi Shimomura (voice) |
 Daisuke HirakawaKōji Tanaka (voice) | Kōji Tanaka (voice) |
 Aya SuzakiEriko Nagai (voice) | Eriko Nagai (voice) |
 Hiroyuki KinoshitaIkuya Ogura (voice) | Ikuya Ogura (voice) |
 Toru SakuraiAraki (voice) | Araki (voice) |
 ChoTeacher (voice) | Teacher (voice) |
 Ayaka AsaiYoung Kei (voice) | Young Kei (voice) |
 Eri GodaYoung Kaito (voice) | Young Kaito (voice) |
 KENNWatanabe (voice) | Watanabe (voice) |
 Ryota OsakaKeisuke Nakajima (voice) | Keisuke Nakajima (voice) |
 Takahiro MiyakeOta (voice) | Ota (voice) |
 Yoko SoumiKei’s mother (voice) | Kei’s mother (voice) |
 Minoru InabaProfessor Yuji Kishi (voice) | Professor Yuji Kishi (voice) |
 Shougo NakamuraProfessor Hiroaki Wakai (voice) | Professor Hiroaki Wakai (voice) |
 Itaru YamamotoColonel Kouma (voice) | Colonel Kouma (voice) |
 Sho KoneriProfessor Futoi (voice) | Professor Futoi (voice) |
 Toru OkawaMinister Yuuwa Tokui (voice) | Minister Yuuwa Tokui (voice) |
 Mari KiyoharaSecretary (voice) | Secretary (voice) |
 Kazuhiro FusegawaNomura (voice) | Nomura (voice) |
 Kanehira YamamotoKondou (voice) | Kondou (voice) |
 Masaaki YanoTahara (voice) | Tahara (voice) |
 Masashi NogawaNekozawa (voice) | Nekozawa (voice) |
 Yoshiki NakajimaThug (voice) | Thug (voice) |
 Ayumu MuraseTito (voice) | Tito (voice) |
