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The Loop (TV)
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This article is about a/an actor in the TV special Birth of the 10th! Kamen Riders All Together!!. |

Dr. Hajime Kaido.
Dr. Hajime Kaido (海堂 肇博士 Kaidō Hajime Hakase) - He is Ryo's father's friend and is the researcher of the biochemistry which is also the teacher of a university. He cooperates in Ryō unstintingly. Birth of the 10th! Kamen Riders All Together!!
Behind the scenes
Portrayal
Dr. Hajime Kaidō was played by Eiji Karasawa (柄沢 英二 Karasawa Eiji).
Appearances
Birth of the 10th! Kamen Riders All Together!!
Kamen Rider 1 Through RX: Big Gathering (archive footage only)
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