Trailer
Images
 | Song Eun-Chae as Oh Sung-eun |
 | Lee Ji-hoon as Kang Bong-goo |
 | Jeon Hye-bin as Bang Soo-yeon |
 | Park Seul-gi as Kim Mi-sook |
 | Shin Joo-ah as Baek Se-mi |
 | Kim Ji-young as Biology teacher |
 | Jeon Jae-hyeong as Ji Suk-goo |
 | Park Ye-jin as Sung-eun's older sister |
 | Kim Hae-sook as Sung-eun's mother |
 | Park Gil-su as AIDS / Chan Sung-bok |
 | Jeong Dong-hwan as Sung-eun's father |
 | Go Ho-kyung as Da-eun |
 | Jeong Yu-mi as Class monitor |
 | Kim Soo-woong as Head teacher |
 | Ha Ji-eun as In-hwa |
 | Lee Jae-pil as Kim |
 | Lee Min-jung as Classmate |
 | Jo Han-Na as Classmate |
 | Hwang Shin-jeong as Woman |
| Choi Si-yeon as Nurse |
| Production | |
| Lee Eun | Executive Producer |
Directing | |
| Zeong Cho-sin | Director |
Writing | |
| Park Chae-woon | Screenplay |
Production | |
| Yi Jong-ho | Line Producer |
Art | |
| Lee Dae-hoon | Production Design |
Sound | |
| Yoon Hae-jin | Production Sound Mixer |
Camera | |
| Seo Jeong-min | Director of Photography |
Lighting | |
| Jo Seong-gak | Lighting Director |
Editing | |
| Nam Na-young | Editor |
Sound | |
| Kim Suk-won | Sound Supervisor |
Visual Effects | |
| Cho Sung-bae | Special Effects Supervisor |
