Reparto (23)
Jiang Wen
Lang Guoren
Ma Li
Zhou Xiulan
Zhang Chenghao
Childhood Lang Lang
He Saifei
Ou Ya
Ding Zhicheng
Old Policeman
Wang Longshuo
Young Lang Lang
Xin Zhilei
Teacher Lin
Lei Jiayin
Second Uncle
Ge You
Wang Ziyue
Eric Wang
Chu Zhongtian
Hu Ge
Mr. Hu
Lu Yi
Teenager Lang Lang
Donnie Yen
Alex Yang
Mark Lee Ping-Bing
Zhuge Bole
Li Ziwei
Director
Jonathan Kos-Read
Holmes
Gina Alice Redlinger
Gina's Mother
Jiang Mahu
Student
Jiang Sanyi
Student
Sun Yun
Personaje desconocido
AJ Donnelly
Arenberg
Yu Hewei
Cui
Yu Ailei
Sun Jian