A steel-clad fiend terrorizes Tokyo, raiding clock shops. Detective Kogoro Akechi uncovers a map hidden in a prized clock, leading to a uranium deposit. He deduces the fiend is his nemesis, the Fiend with Twenty Faces.
Eiji Wakasugi
Kogoro Akechi
Akihiko Katayama
Marquis Genjiro Mizuno
Takayama Takeo
Yoshio Kobayashi
Shunsuke Nakamura
Shoichi Mizuno
Takako Fujino
Mrs. Mizuno
Fujio Suga
Chief Inspector Nakamura