Seventh film in the Boy Detectives Club series.
Cast:
Susumu Namishima, Hitomi Nakahara, Yūnosuke Itō, Hiroshi Yamate, Yasushi Obata
Production:
Toei Company
Kogoro Akechi
Mariko
The Fiend with Twenty Faces
Kobayashi
Shimada
Mitsue
Akiko Shimada
Lady Shimada
Kuroda
Keiichiro Shimada
