长歌行

迪丽热巴

Li Changge / Yong Ning

吴磊

Ashina Sun

刘宇宁

Hao Du

赵露思

Li Leyan / Yong An

方逸倫

Wei Shuyu

易大千

Mu Jin

曹曦月

Mimi Guli

吴崇轩

Xu Feng [Gongsun Heng's bodyguard]

Liu Chuxuan

Luo Shiba

李建义

Qin Lao [Gongsun Heng's butler]

杨明娜

Princess Yi Cheng [Khatun of Ashile Tribe]

耿乐

Li Shi Min / Emperor Taizong of Tang