Cast & crew
National Security (2012)
Directed by Chung Ji-young Written by Jeong Sang-hyeop, Chung Ji-young
Cast
| Seo Dong-soo | Chief |
| Lee Kyung-young | Lee |
| Dong Bang-woo | Record Executive |
| Kim Eui-sung | Theater Manager |
| Kim Joong-ki | Chief |
| Woo Hee-jin | Jong |
| Lee Chun-hee | Chief |
| Moon Sung-keun | President Lindberg |
| Park Won-sang | Jong |
| Bae Yong-geun | Yang |
Crew
| Park Dae-hun | Special Effects Supervisor |
| Do Gwang-sup | Special Effects Supervisor |
| Seo Min-soo | Director of Photography |
| Park Jin-hong | Sound Effects Designer |
| Kim Il-kwang | Digital Intermediate |
| Kim Hyun-sang | Production Sound Mixer |
| Jung Young-min | Lighting Director |
| Choi Yeon-sik | Production Design |
| Kim Suk-won | Sound Supervisor |
| Chung Ji-young | Director |
| Park Gwan-yeol | Key Grip |
| Jeong Sang-hyeop | Writer |
| Shin Min | Original Music Composer |
| Jeong Sang-hyeop | Assistant Director |
| Jeong Sang-min | Executive Producer |
| Kim Uk | Lighting Director |
| Han Hye-sook | Costume Design |
| O Chang-ryeol | Makeup & Hair |
| Kim Ji-yeon | Producer |
| Chung Ji-young | Writer |
| Ko Im-pyo | Editor |