Jiang Wen as Lang Guoren

Ma Li as Zhou Xiulan

Zhang Chenghao as Childhood Lang Lang

Yu Hewei as Lao Cui

Yu Kailei as Sun Jian

He Saifei as Ou Ya

Ding Zhicheng as Old Policeman

Wang Longshuo as Young Lang Lang

Xin Zhilei as Teacher Lin

Lei Jiayin as Second Uncle

Ge You as Wang Ziyue

Eric Wang as Chu Zhongtian

Hu Ge as Mr. Hu

Lu Yi as Teenager Lang Lang

Donnie Yen as Alex Yang

Mark Lee Ping-Bing as Zhuge Bole

Li Ziwei as Director

Jonathan Kos-Read as Holmes

Gina Alice Redlinger as Gina's Mother

Jiang Mahu as Student

Jiang Sanyi as Student

Sun Yun as

AJ Donnelly as Arenberg