Toshio Hosokawa

as "Rokumeikan" Producer

as Hisato Ichimada

as Munamichi Hisasaka

as Shigetaro Shimada

as 森山信行 (35 episodes)

as Lt. Cmdr. Shigeharu Murata

as 東正人（ヒカルの父） (26 episodes)

as Yasutoshi 'Tootôminokami' Makino

as Goro Sudo

as Senior Managing Director Nozaki

as Chief Inspector Andô