Knock
| MPAA Rating: | NR |
| Genre: | Horror |
| Produced By: | Sung-Wook Min |
| Directed By: | Joo-Heon Lee |
| Written By: | Joo-Heon Lee |
| Cast: | Hyun-Sung Kim, Woo Seo, Min Ha Ju |
| In Theaters: | Aug 10, 2012 |
| Runtime: | 1 hour 40 minutes |
Followers: 0
| MPAA Rating: | NR |
| Genre: | Horror |
| Produced By: | Sung-Wook Min |
| Directed By: | Joo-Heon Lee |
| Written By: | Joo-Heon Lee |
| Cast: | Hyun-Sung Kim, Woo Seo, Min Ha Ju |
| In Theaters: | Aug 10, 2012 |
| Runtime: | 1 hour 40 minutes |