Tatsuo Matsumura

as Seiji Agata

as Jii Sekkyo-Bushi

as Seiichiro Hirasawa

as Kaito Urabé

as Prime Minister Kantaro Suzuki

as Yahê Horibe

as Prof. Hyakken Uchida

as Miyamoto Muninosuke

as Jinsaku Kiyohara

as Kikuta

as Principal

as the Professor

as Yukio Azuma

as the Rendaiji Priest

as Masao Harayama

as Hayashi

as Reikichi

as Chinese herbal doctor Koan

as Kuruma

as Ryuzo Kuruma

as Tatsuzō

as Uncle

as Doctor Yamashita

as Kyota Watanaka

as Tsuyama Mataemon

as Chief Detective Kasahara

as Tahe

as Lord Masakata Matsudaira

as Hikonosuke Isono

as Dr. Akira Makino (uncredited)

as Dr. Makino

as Executive Tsuzawa

as Editor Ikeda

as Doctor