Kohei Murakami

as Masato Kusaka / Kamen Rider Kaixa

as Masato Kusaka / Kamen Rider Kaixa (2 episodes)

as Kurobe Yukio

as Sonoya (2 episodes)

as Oda

as Masato Kusaka / Kamen Rider Kaixa

as Bud / Zyuoh Bird

as Bud

as Bud

as Birdman (6 episodes), as Bado (10 episodes)

as Masato Kusaka / Kamen Rider Kaixa

as Medical Experiment

as Yuji Nakajo (26 episodes)

as Kid (1 episode)

as Masato Kusaka / Kamen Rider Kaixa

as 草加雅人 (50 episodes)

as Kento Kiba (9 episodes)

as Kamen Rider Kaixa (voice) (2 episodes), as Masato Kusaka / Kamen Rider Kaixa (52 episodes), as IT President Uemura (1 episode)