Cast & crew
The Invisible Front (1965)
Directed by Chong-sik Min Written by Jongsoon Lee
Cast
| Gye-ryong Cha | Cher |
| Yeong Sim | Chief |
| Min Hwang | Min-gyu |
| Won-Gyun Lee | SEN |
| Hyo Gyong Dzo | Chon |
| Yesun Choi | Dek |
| Sunok Ten | Dek |
| Mun Gap Chan | Ir. Melchers |
| Deuk-sung Kim | Hyo |
| Do-won Lim | Dyk |
Crew
| Jongsoon Lee | Writer |
| En Pchir Pak | Music |
| Won-il Hong | Director of Photography |
| Chong-sik Min | Director |
| Do Ik Ri | Art Direction |