The Badan Empire killed Ryo Murasame's older sister, and he had been cybernetically remodeled into ZX. However, he regained himself after an accident and stood up fearlessly.
Ryo Murasame / Kamen Rider ZX
Shun Sugata
Shiro Kazami / Kamen Rider V3
Hiroshi Miyauchi
Jôji Yûki / Riderman
Takehisa Yamaguchi
Kazuya Oki / Kamen Rider Super-1
Shunsuke Takasugi
Eisuke Mikage / Tiger-Roid
Tetsuya Nakayashiki
Ambassador Darkness
Kenji Ushio
Dr. Hajime Kaidō
Eiji Karasawa
Dr. Ito
Kaneomi Oya
Rumi Ichijō
Yumiko Miyake
Shizuka Murasame
Toshie Fukushima
Kamen Rider 2 (voice)
Takeshi Sasaki
Kamen Rider 1 (voice)
Michihiro Ikemizu
Kamen Rider X (voice)
Keisuke Yamashita
Skyrider (voice)
Tetsuya Kaji
Kamakiroid (voice)
Kazuo Niibori
The Generalissimo of Badan (voice)
Gorō Naya
Narration (voice)
Shinji Nakae