Eri Sawachika (voice)
Tenma Tsukamoto (voice)
Yakumo Tsukamoto (voice)
Akira Takano (voice)
Kenji Harima (voice)
Tsumugi Yuuki (voice)
Yakumo Tsukamato (voice)
Haruki Hanai (voice)
Karen Ichijo (voice)
Kentaro Nara (voice)
Harry McKenzie (voice)
Mikoto Suou (voice)
Ghost Girl (voice)
Masakazu Tougou (voice)
Tae Anegasaki (voice)
Mina Yukino (voice)
Ryuuhei Suga (voice)
Jiro Yoshidayama (voice)
Yoko Sasakura (voice)
Takeichi Fuyuki (voice) (as Orion)
Lara González (voice)
Ganji Nishimoto (voice)
Boy Student / Hiroyoshi Aso (voice)
Kyousuke Imadori (voice)
Ooji Karasuma (voice)
Hayato Tani (voice)
Itoko Osakabe (voice)
Mai Otsuka (voice)
Girl Student (voice)
Sara Adiemus (voice)
Teacher (voice)
Boy Student (voice)
Narrator (voice)
Karen Ichijou (voice) (as Yuuka Nanri)
Additional voices (as Maria Leamon)