Shocker Staff: Elderly Gentleman

Shocker Staff: Elderly Gentleman (ショッカー幹部・老紳士): Depicted in the film as the figurehead of Shocker, he is a mysterious elderly man with vampire-like fangs and dons a long black and red cape. During the course of the film, he appears only via satellite on screens in the Shocker headquarters. His physical whereabouts are unknown. He is an adaptation of the original television series' character Doctor Shinigami (死神博士).

Portrayal
In Kamen Rider The First, Elderly Gentleman is portrayed via archive footage of the late Hideyo Amamoto (天本 英世), who played the original Dr. Shinigami. Hideyo Amamoto's appearance in the film is only through various pieces of footage recorded before his death in 2003, including several from Kamen Rider, the original series. He was overdubbed by Eiji Maruyama (丸山 詠二).