Rex is digging up facts...
Fourth film in the Boy Detectives Club series.
Eiji Okada
Kogoro Akechi
Masako Nakamura
Mariko
Yasumitsu Komori
Yoshi Katō
The Fiend with Twenty Faces
Mitsue Komiya
Kyoko Koga
Jun Usami
Hideo Sekigawa
Tadashi Ogawa
