Who Is Undercover

Tony Leung Ka-...

as

Wang Feng

Lin Chi-Ling

as

Zhao Biwei

Gillian Chung

as

Su Je

Vivian Wu

as

Xiaohong's Mot...

Kent Cheng Jak...

as

Yu Dachuan

Zhao Yang

as

Li Guisheng

Christopher Le...

as

Sun Yiyu

Meng Ting-yi

as

Wang Xiafen

Lü Yulai

as

Xiao Xiao

Su Jin

as

Shi Jingdong

Kaiser Chuang

Liu Lujia

as

Xiao Hung