The film tracks protagonist Chen Zhihui who succumbs to trauma and frustration when he is released after spending 20 years in prison and becomes a serial killer.
| Actor | Role |
|---|---|
 Simon YamChen Zhihui | Chen Zhihui |
 Chen SichengZhou Dong | Zhou Dong |
 Huang ShengyiChu Xiaoli | Chu Xiaoli |
 Yu ShaoqunZhiqiang | Zhiqiang |
 Zhang JingchuHong the Hotel Manager | Hong the Hotel Manager |
 Wei ZiMan in Black | Man in Black |
 Hao LeiWife of Man in Black | Wife of Man in Black |
 Shi ZhaoqiBrother Bao | Brother Bao |
 Zhang KejiaZhenzhen | Zhenzhen |
 Du RuoxiHuang Siuli | Huang Siuli |
 Qi YunpengBao's bodyguard | Bao's bodyguard |
| 张张舒羽Waitress | Waitress |