Koji Yamamoto

as Hīragi

as Sosuke Yamaji (8 episodes)

as Kurita Kazuya

as The Mad Hatter (voice)

as Tanomoshi Yusuke (1 episode)

as Self (1 episode)

as Kenjiro Tsuchiya (10 episodes)

as Furuta (1 episode)

as Killer T Cell

as Toshizo Hijikata

as Aoyagi (7 episodes)

as Chou Sou (Zhuang Zhao)

as Soma Ken (10 episodes)

as Yoshikawa Ruhiko

as Kurita Kazuya (10 episodes)

as Chou Sou (Zhuang Zhao)

as Hiroshi Nakayamada (9 episodes)

as Go Soda (9 episodes)

as Terashima Koichi (10 episodes)

as 右衛門佐（えもんのすけ） / 水無瀬継仁（みなせ つぐひと） (10 episodes)