Someday or One Day— Full Cast

Ko Chia-Yen

as Huang Yuxuan / Chen Yunru

Greg Hsu

as Li Ziwei / Wang Quansheng

Patrick Shih

as Mo Junjie

Jin Shijia

as Yang Hao

Dawen

as Kun Bu

Chang Kuang-chen

as A-tuo

JC Lin

as Liu Yuheng

Chang Chia-hui

as Sister Na

He Lingyao

as Song Jie