Gaku Oshida

as Eito Kanda (1 episode)

as Kazuya Komai (8 episodes)

as Aoi Soji (3 episodes)

as Sumida Shinobu (8 episodes)

as Somei Aoi (27 episodes)

as Satoru Saiga

as Sahashi Tenma (3 episodes)

as Akanishi Sota (8 episodes)

as 溝口左京（みぞぐち さきょう） / お夏（おなつ） (10 episodes)

as Shuto Miyagi (1 episode)

as Saku Tsujimura (8 episodes), Acting Double

as Student

as Geiz Myoukouin / Kamen Rider Gates (3 episodes)

as Yamagata Yuki (7 episodes)

as Ippachi

as Geiz Myokoin / Kamen Rider Geiz

as Geiz Myokoin / Kamen Rider Geiz

as Geiz Myoukouin / Kamen Rider Geiz

as Geiz Myoukouin

as Geiz Myokoin / Kamen Rider Geiz