Andy Lau as Detective Dee

Li Bingbing as Shangguan Jing'er

Deng Chao as Pei Donglai

Tony Leung Ka-fai as Shatuo Zhong

Carina Lau as Wu Zetian

Richard Ng Yiu-Hon as Wang Lu (before face-lift)

Teddy Robin as Wang Lu (after face-lift)

Liu Jinshan as Xue Yong

Yao Lu as Li Xiao

Wang Deshun as Xiazi Ling

He Shengming as Prison Officer

Huang Yonggang as Zhang Xun

Chen Xiao as Lu Li

Jean-Michel Casanova as Umayyad Ambassador

Sos Haroyan as Asst to Umayyad Ambassador

Zhang Shuo as