你行！你上！: Reparto
Jiang Wen
Lang Guoren
Ma Li
Zhou Xiulan
Zhang Chenghao
Childhood Lang Lang
于和伟
Lao Cui
Yu Kailei
Sun Jian
何賽飛
Ou Ya
Ding Zhicheng
Old Policeman
Wang Longshuo
Young Lang Lang
辛芷蕾
Teacher Lin
雷佳音
Second Uncle
葛优
Wang Ziyue
王传君
Chu Zhongtian
胡歌
Mr. Hu
Lu Yi
Teenager Lang Lang
Donnie Yen
Alex Yang
Mark Lee Ping-Bing
Zhuge Bole
Li Ziwei
Director
曹操
Holmes
Gina Alice Redlinger
Gina's Mother
Jiang Mahu
Student
Jiang Sanyi
Student
AJ Donnelly
Arenberg