Cast & crew
Door Lock (2018)
Directed by Lee Kwon Written by Park Jeong-hui, Lee Kwon
Cast
| Kim Ye-won | Oh Hyo-joo |
| Gong Hyo-jin | Jo Kyeong-min |
| Kim Seung-oh | Detective Lee |
| Jo Bok-rae | Kim Gi-jeong |
| Lee Chun-hee | Kim Sung-ho |
| Lee Ga-sub | Han Dong-hoon |
| Han Ji-eun | Kang Seung-hye |
| Kim Jae-hwa | Assistant Manager Park |
| Kim Kwang-kyu | Deputy Head of Department |
| Park Sook Myung | Aunt |
| Jang Jun-nyeong | Detective Squad Chief |
| Ok Joo-ri | Woman at the Gym |
| Jung Jong-woo | Security Agent |
| Bae Myeong-jin | Police Officer |
| Kang Jeong-min | Subway Man |
| Lee Sang-hee | Manager |
| Cha Yeob | Detective |
| Lee Jong-gu | Real Estate Agent |
| Lee Hong-nae | Police Officer |
| Yeum Moon-kyoung | Employee |
Crew
| Jeon Gun-ik | Special Effects Supervisor |
| Kim Da-jung | Costume Design |
| Cho Byeong-yeon | Executive Producer |
| Lee Je-woo | Lighting Director |
| Park Jeong-hui | Writer |
| Yoo Mi-jin | Stunts |
| Lee Tae-wook | Special Props |
| Park Jung-hun | Director of Photography |
| Kim Hee-gyeong | Production Manager |
| Lee Kwon | Screenplay |
| Lee Kwon | Director |
| Kim Sun-min | Editor |
| Yi Jae-min | Producer |
| Dalpalan | Original Music Composer |
| Gong Tae-won | Sound Supervisor |
| Kwon Su-kyung | Makeup & Hair |
| Lee Na-gyeom | Production Design |
| Ha Jin-kyung | Camera Operator |
| You Cheong | Props |