Naoki Tanaka

as Kikuo Sawatsuji (10 episodes)

as Seiji Okabe (10 episodes)

as Takahiro Okuda (10 episodes)

as Hiyama Unosuke (8 episodes)

as Asami's father (9 episodes)

as Eiwa Saito (10 episodes)

as Kanon's Father

as Kurachi Takehiko (10 episodes)

as Shigeru Wakimoto

as Herlock Sholmes

as George

as Keitaro Masuyama

as Teacher Nakano

as Takano Kenichi (10 episodes)

as Kurihara Kiyokazu (8 episodes)