你行！你上！

Jiang Wen

Lang Guoren

马丽

Zhou Xiulan

Zhang Chenghao

Childhood Lang Lang

于和伟

Lao Cui

Yu Kailei

Sun Jian

何賽飛

Ou Ya

丁志诚

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