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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.
as Kogoro Akechi
as Marquis Genjiro Mizuno
as Yoshio Kobayashi
as Shoichi Mizuno
as Mrs. Mizuno
as Chief Inspector Nakamura
as Shiroemon Akaboshi
as Dr. Takayasu
as Detective Kogoro Akechi