

25/07/1974
During a motocross practice, Keisuke Jin is ambushed by two Myth Cyborgs created by a secret organization that's attempting to control Japan, G.O.D. (Government of Darkness). He transforms into Kamen Rider X, but little does he know that his battle is recorded and analyzed by King Dark, G.O.D.'s commander, to create a super cyborg. Other G.O.D. cyborgs are attacking all over Tokyo and in the middle of the crisis, the original four Riders return to Japan from different countries around the world. The five Riders unite to lead a counter attack against G.O.D.

Ryô Hayami
as Keisuke Jin / Kamen Rider X

Hiroshi Fujioka
as Takeshi Hongo / Kamen Rider #1

Takeshi Sasaki
as Hayato Ichimonji / Kamen Rider #2

Hiroshi Miyauchi
as Shiro Kazami / Kamen Rider V3

Takehisa Yamaguchi
as Jôji Yûki / Riderman

Akiji Kobayashi
as Tobei Tachibana

Ayao Wada
as King Dark (voice)

Miyuki Hayata
as Mako

Reiko Niwa
as Chisako (as Chisako Kosaka)

Kenshi Kobane
as Masaru

Jun Mizunoe
as Etsuko

Yukio Fujino
as Masaru's Father

Keiko Shingusa
as Masaru's Mother
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