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

Wa Er

Ashina She'er

Sa Dingding

Jing Dan [Temple priestess]

冯俊杰

A Dou [Chang Ge's apprentice]

黄杨钿甜

Zhen Zhu / Princess Tujia of Monan