Cast & crew
Room No.7 (2017)
Directed by Lee Yong-seung Written by Lee Yong-seung
Cast
| Park Soo-young | Superintendent |
| Kim Jong-goo | Principal Adalwolf |
| Shin Ha-kyun | Byeong-sik |
| Jun Suk-ho | Hyun-woo |
| Doh Kyung-soo | Tae-suk |
| Jung Hee-tae | Pappy's Staff |
| Kim Dong-young | Hyeong-wook |
| Kim Do-yoon | Tattoo |
| Hwang Jeong-min | Sister Louie |
| Lee Seo-hwan | Drunk |
| Lee Jae-hyeok | Detective Fritz |
| Kim Jong-soo | Estate |
Crew
| Hong Jeong-ho | Visual Effects Supervisor |
| Lee Ji-soo | Original Music Composer |
| Jeong Duk-hee | Lighting Technician |
| Bang Gil-sung | Production Design |
| Yoon Sung-hye | Art Direction |
| Lee Yong-seung | Screenplay |
| Kim Gwang-su | Special Effects Supervisor |
| Sung Seung-taek | Director of Photography |
| Moon Chul-woo | Sound Mixer |
| Moon Yong-chan | Producer |
| Ji Gi-yong | Key Grip |
| Shim Jae-myung | Producer |
| Park Kyoung-suk | Editor |
| Steve M. Choe | Editor |
| Oh Jin-seok | Props |
| Moon Sung-oh | Animation Supervisor |
| Kim Il-kwang | Digital Intermediate |
| Choi Yeong-sim | Makeup & Hair |
| Lee Yong-seung | Director |