Dôkutsu no Himitsu
| MPAA Rating: | NR |
| Genre: | Short |
| Country: | Japan |
| Directed By: | Takayuki Aoto |
| Written By: | Tatsuo Asano |
| Cast: | Yukiko Hayama, Ayako Asakura, Arata Shibata, Yûzô Harumi, Kazutoyo Nakajima, Rei Ishikawa, Keiko Hamano, Asao Matsumoto, Den Kunikata |
| In Theaters: | Jan 27, 1959 |
| Runtime: | 39 minutes |
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