Huang Jun
ZhaoFang Zizhen
Trace Evidence ExaminerLi Zheng
Crime Scene PhotographerPeng Yan
Forensic ExpertYun Peng
Forensic ExpertJin Feng
Deputy Chief of PoliceYang Guoguang
InstructorLi Guanghua
Associate InstructorLiu Lijun
Police OfficerLi Pengsheng
Police OfficerHuang Senhui
Police OfficerDing Yi
Police OfficerHuang Xiao
Police OfficerLi Cheng
Boy in Abandoned BuildingNi Xuliang
Young PolicemanWang Chen
Boy's FatherYe Fusheng
Policeman at Police SubstationLiu Kunlong
Village HeadYe Xiangde
Village SecretaryLuo Runyun
NeighborWang Sujuan
NeighborLi Runsheng
NeighborHu Changlong
NeighborYang Chengquan
Train DriverFan Zhijian
Train DriverWu Wenbin
Head of Security SectionPeng Mucai
ConciergeXu Lihua
Sis ZhangYou Kunsheng
Tavern Keeper / Crime Squad ConsultantLu Tian
Poetry-Reading ManMeng Zhaoheng
Young PolicemanGong Shihong
SonographerChen Jiaxin
Nurse50 / 70