Katsuya Kobayashi

as Tomoaki Ishikawa (10 episodes)

as Shin Endo (4 episodes)

as Kajinaga (5 episodes)

as Doctor Ohoura (1 episode)

as Hisao Kanayama

as Katsuo Takemoto

as Teacher Harada

as Mamoru Nishida (21 episodes)

as Magus (voice) (2 episodes)

as Shingo Kitami (8 episodes)

as Simato's Father