Horror of the Underworld
| MPAA Rating: | NR |
| Genre: | Action, Mystery |
| Produced By: | Gab-Jin Han |
| Directed By: | In-Hyeon Choi |
| Written By: | Bong-Seung Shin |
| Cast: | Jeong-Im Nam, Yeong-Gyun Shin |
| In Theaters: | Jun 25, 1971 |
| Runtime: | 1 hour 17 minutes |
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| MPAA Rating: | NR |
| Genre: | Action, Mystery |
| Produced By: | Gab-Jin Han |
| Directed By: | In-Hyeon Choi |
| Written By: | Bong-Seung Shin |
| Cast: | Jeong-Im Nam, Yeong-Gyun Shin |
| In Theaters: | Jun 25, 1971 |
| Runtime: | 1 hour 17 minutes |