Mad Detective Di Renjie

Mad Detective Di Renjie, also known as Amazing Detective Di Renjie 4, is the fourth installment in a four-season Chinese television series based on gong'an detective stories related to Di Renjie, a Tang dynasty magistrate and statesman. Written and directed by Qian Yanqiu, the series starred Liang Guanhua as the titular protagonist, and was first broadcast on CCTV-8 in 2010, two years after the third season.

Plot
The plot is divided into two parts as follows:
 * 1) Jin Yin Qi An (金银奇案)
 * 2) Sha Ren Xian Jing (杀人陷阱)

Cast

 * Liang Guanhua as Di Renjie
 * Zhang Zijian as Li Yuanfang
 * Lü Zhong as Wu Zetian
 * Yuan Ran as Wu Yuanmin (Princess Yingyang)
 * Qu Zhazha as Di Ruyan
 * Xu Qian as Zeng Tai
 * Fu Jun as Sha'er Khan
 * Su Hao as Di Fu
 * Liang Kai as Zhang Huan
 * Yan Yansheng as Wang Xiaojie
 * Zheng Nan as Chunhong
 * Li Junqi as Ilterish Qaghan
 * Li Zhuolin as Li Lang
 * Liu Lei as Zhong Wuniang
 * Suzuki Miki as Youze Lihui
 * Dai Yunxia as Fenghuang
 * Zheng Cheng as Yizhigumalü
 * Yang Zengyuan as Wulezhi / Jiwangjue Khan
 * Li Xi'er as Consort Nalu
 * Li Shilong as Wu Youde
 * Liu Wendi as Prince Qiongta
 * Wang Xinsheng as He Lu