Trailer
Images
 | Sul Kyung-gu as Dong-hoon |
 | Uhm Ji-won as Mi-hee |
 | Lee Re as So-won |
 | Kim Sang-ho as Gwang-sik |
 | Kim Hae-sook as Psychiatrist Jung-sook |
 | Ra Mi-ran as Young-suk's Mother |
 | Kwon Tae-won as Detective Squad Chief |
 | Kang Shin-chul as Prosecutor |
 | Seo Hyun-woo as Paramedic |
 | Cha Mi-kyeong as Vice Principal |
 | Jeong Min-sung as Reporter |
 | Ahn Se-ha as Cocomong Costumed Part-Timer |
 | Jo Bok-rae as Cocomong Costumed Part-Timer |
 | Jo Moon-ee as Court-appointed Lawyer |
 | Kim Ooh-jin as Judge |
 | Yang Jin-sung as Do-kyung |
 | Kim Do-yeob as Young-suk |
 | Kim Jin-hyeok as Detective Seo |
 | Jin Sun-mi as Head Nurse |
 | Jang Dae-woong as Young-suk's Friend |
 | Yoon Jong-goo as Mr. Kim |
| Jo Moon-ee as Gook-sun |
| Kang Hye-jung as Jong-sul |
 | Park Eun-young as Parents' Association President |
 | An Hui-ju as Parents' Association Member |
| Editing | |
| Park Jin-ho | Digital Intermediate |
Production | |
| Seong Chang-yeon | Producer |
| Byun Bong-hyun | Producer |
Sound | |
| Bang Jun-seok | Original Music Composer |
Writing | |
| Jo Joong-hoon | Writer |
Lighting | |
| Hong Seung-chul | Lighting Director |
Art | |
| Park Geun-soo | Set Decoration |
Sound | |
| Lim Hyung-geun | Production Sound Mixer |
Visual Effects | |
| Mun Byeong-yong | Visual Effects |
Costume & Make-Up | |
| Yoon Hwang-jik | Special Effects Makeup Artist |
Directing | |
| Lee Joon-ik | Director |
Writing | |
| Kim Ji-hye | Writer |
Camera | |
| Ji Sung-yong | Key Grip |
| Kim Tae-kyeong | Director of Photography |
| Park Sung-ju | Camera Operator |
Sound | |
| Lee Seung-yeop | Sound Supervisor |
Production | |
| Cha Won-chun | Executive Producer |
Art | |
| Lee Bong-hwan | Production Design |
Costume & Make-Up | |
| Jang Jin | Makeup & Hair |
Directing | |
| Lee Sang-yong | Assistant Director |
Writing | |
| Lee Sang-yong | Adaptation |
Editing | |
| Kim Jae-beom | Editor |
| Kim Sang-bum | Editor |
Costume & Make-Up | |
| Shim Hyun-seob | Costume Design |
Writing | |
| So Jae-won | Original Story |
Sound | |
| Park Yong-ki | ADR Recordist |
