你行！你上！
Voltar
Jiang WenLang Guoren
马丽Zhou Xiulan
Zhang ChenghaoChildhood Lang Lang
于和伟Cui
Yu KaileiSun Jian
何賽飛Ou Ya
丁志诚Old Policeman
Wang LongshuoYoung Lang Lang
辛芷蕾Teacher Lin
Lei JiayinSecond Uncle
葛优Wang Ziyue
王传君Chu Zhongtian
胡歌Mr. Hu- Lu YiTeenager Lang Lang
Donnie YenAlex Yang
Mark Lee Ping-BingZhuge Bole- Li ZiweiDirector
曹操Holmes
Gina Alice RedlingerGina's Mother
Jiang MahuStudent- Jiang SanyiStudent
- Sun Yun
AJ DonnellyArenberg
余皑磊Jian Sun