Cast
Jiang Wen
Lang Guoren
Wang Chuanjun
Chu Zhongtian
Yu Ailei
Jian Sun
Ma Li
Zhou Xiulan
He Saifei
Ou Ya
Wang Longshuo
Young Lang Lang
Lei Jiayin
Second Uncle
Hu Ge
Mr. Hu
Jonathan Kos-Read
Holmes
Gina Alice Redlinger
Gina's Mother
Zhang Chenghao
Childhood Lang Lang
Yu Hewei
Lao Cui, Cui
Ding Zhicheng
Old Policeman
Donnie Yen
Alex Yang
Jiang Mahu
Student
Xin Zhilei
Teacher Lin
Ge You
Wang Ziyue
Mark Lee Ping-Bing
Zhuge Bole
AJ Donnelly
Arenberg