Based on Keigo Higashino’s award-winning novel, THE DEVOTION OF SUSPECT X follows a professor (Wang Kai) assisting in a murder investigation, only to find that a longtime rival and friend (Zhang Luyi) from his early university days may be involved.
| Actor | Role |
|---|---|
 Wang KaiTang Chuan | Tang Chuan |
 Zhang LuyiShi Hong | Shi Hong |
 Ruby LinChen Jing | Chen Jing |
 Ye ZuxinLuo Miao | Luo Miao |
 Ding GuansenCao Wei | Cao Wei |
 Deng EnxiChen Xiaoxin | Chen Xiaoxin |
 Cheng TaishenTeng Kun | Teng Kun |
 Zhao YangFu Jian | Fu Jian |
 Zhu HaiyuBully | Bully |