Cast & crew
Wonderful Nightmare (2015)
Directed by Kang Hyo-jin Written by Kim Je-young
Cast
| Uhm Jung-hwa | Yeon-woo |
| Kim Sang-ho | Chief Kim |
| Ra Mi-ran | Mi-seon |
| Seo Shin-ae | Ha-neul |
| Lee Jun-hyeok | Section Chief Choi |
| Lee Yong-nyeo | Kyung-rae |
| Choi Il-hwa | Chairman Park |
| Um Chae-young | Min-a |
| Song Seung-heon | Seong-hwan |
| Kim Byong-chul | Jin-man |
| Bae Gang-Yoo | Cemetery Child 2 |
| Lee Da-hae | Department Store Salesclerk |
| Jung Ji-yoon | Pharmacist |
| Yang Mal-bok | Middle-Aged Woman |
| Jung Ji-hoon | Ha-ru |
| Han Yeo-wool | Nurse at Ha-Roo's Hospital |
| Hwang Seok-ha | Team Leader Kim |
| Park Gwan-sik | Dead Person 1 |
| Jeong Chan-woo | Hoegyeong Group Official 1 |
Crew
| Kim Jae-keun | Lighting Director |
| Cha Sang-min | Producer |
| Kang Hyo-jin | Director |
| Sohn Won-ho | Director of Photography |
| Lee Seung-chul | Supervising Sound Editor |
| Jeon Yu-jun | Fight Choreographer |
| Lee Mi-kyoung | Production Design |
| Son Sam-ung | Camera Operator |
| Choi Mi-yeon | Costume Design |
| Park Moung-hui | Makeup & Hair |
| Han Myung-hwan | Sound Mixer |
| Kim Je-young | Screenplay |
| Oh Se-jin | Production Sound Mixer |
| Jeon Ho-jin | Executive Producer |