Naoki Sugiura

as 白河勝一 (2 episodes)

as Meiji Mashiba (11 episodes)

as Dr. Takenouchi

as Jun-chan (1 episode)

as Yahyoe Horibe

as Professor Saneyuki Fujishiro

as Kikukawa Takahiko (2 episodes)

as Kazuo Kitashiro

as Master

as Yosuke Okura

as Inspector Kuribayashi

as Koichi