Masatô Ibu

as Kojiro Murai

as Toshio Sonoda (4 episodes)

as Kurata Fumihiko (1 episode)

as Yoshimune Tokugawa (11 episodes)

as Sakakibara Soichiro (10 episodes)

as Nakamura Suguru (32 episodes)

as Ryuuji Busuzima (20 episodes)

as Yahagi Kichiro (6 episodes)

as Kenzo Nagahara

as Amagami Takehiko (10 episodes)

as Syoji Andou (8 episodes)

as Mano Toru [Chiaki's father] (10 episodes)

as Taichi Tatsukawa (2 episodes)

as Shigeru Togo

as Namihira

as Torajiro Hazama (1 episode)