Echo
| MPAA Rating: | NR |
| Produced By: | Ok-Chu Yu |
| Directed By: | Ha Won Choi |
| Written By: | Hie-Woo Lee, Seok-Gyu Choi |
| Cast: | Jae-Seong Jo, Dong-Hyeon Kim, Yeong-Ha Lee, Ji-In Choi |
| In Theaters: | Feb 26, 1981 |
| Runtime: | 1 hour 35 minutes |
Followers: 0
| MPAA Rating: | NR |
| Produced By: | Ok-Chu Yu |
| Directed By: | Ha Won Choi |
| Written By: | Hie-Woo Lee, Seok-Gyu Choi |
| Cast: | Jae-Seong Jo, Dong-Hyeon Kim, Yeong-Ha Lee, Ji-In Choi |
| In Theaters: | Feb 26, 1981 |
| Runtime: | 1 hour 35 minutes |