"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."
Shun Sugata
as Ryo Murasame / Kamen Rider ZX
Hiroshi Miyauchi
as Shiro Kazami / Kamen Rider V3
Takehisa Yamaguchi
as Jôji Yûki / Riderman
Shunsuke Takasugi
as Kazuya Oki / Kamen Rider Super-1
Tetsuya Nakayashiki
as Eisuke Mikage / Tiger-Roid
Kenji Ushio
as Ambassador Darkness
Eiji Karasawa
as Dr. Hajime Kaidō
Kaneomi Oya
as Dr. Ito
Yumiko Miyake
as Rumi Ichijō
Toshie Fukushima
as Shizuka Murasame
Takeshi Sasaki
as Kamen Rider 2 (voice)
Michihiro Ikemizu
as Kamen Rider 1 (voice)
Keisuke Yamashita
as Kamen Rider X (voice)
Tetsuya Kaji
as Skyrider (voice)
Kazuo Niibori
as Kamakiroid (voice)
Gorō Naya
as The Generalissimo of Badan (voice)
Shinji Nakae
as Narration (voice)
Shigeru Araki
as Shigeru Jo / Kamen Rider Stronger (archive footage)
Hiroshi Fujioka
as Takeshi Hongo / Kamen Rider #1 (archive footage)
Ryô Hayami
as Jin Keisuke / Kamen Rider X (archive footage)
Hiroaki Murakami
as Tsukuba Hiroshi / Skyrider (archive footage)
as kamakiroid (archive footage)
Tōru Okazaki
as Daisuke Yamamoto / Kamen Rider Amazon (archive footage)
as Kamen Rider X (archive footage) (voice)
Kimio Hirayama
Screenplay
Tōru Hirayama
Producer
Seiji Abe
Minoru Yamada
Director
Writer
Shotaro Ishinomori
Original Story
Akira Kushida
Theme Song Performance
Fumio Matsumura
Director of Photography
Oizumi Onei
Special Effects
Junkichi Sugano
Editor
Masahiro Iwashimizu
Assistant Director
Noboru Miyakuni
Art Direction
Katsumi Ota
Sound Recordist
Shunsuke Kikuchi
Original Music Composer