Main •
Dilraba Dilmurat as Li Changge, Commandery Princess Yongning • Historical prototype: County Princess Dingxiang (
定襄县主) : Li Jiancheng's daughter. Proficient in martial arts and military strategy, she seeks to avenge her mother who was killed by her second uncle, Li Shimin. •
Leo Wu as Ashile Sun,
Tegin of the Eagle Division • Historical prototype:
Ashina Zhong (阿史那忠) : Yanli Qaghan's adopted son. A skilled warrior and strategist who is embroiled in rivalry for the throne. •
Liu Yuning as Hao Du • Historical prototype: Du He (杜荷) : Du Ruhui's foster son. Cold-blooded and loyal, he works for Li Shimin. •
Zhao Lusi as Li Leyan, Princess Yongan • Historical prototype: Princess Chengyang (
城阳公主) : Li Shimin's daughter. A shy but independent princess. She is Li Changge's closest friend. •
Fang Yilun as Wei Shuyu : Wei Zheng's son. A Tang official who grew up with Li Changge and Li Leyan.
Supporting Tang • Geng Le as Li Shimin,
Emperor Taizong : Li Changge's beloved second uncle who betrayed her trust. • He Yuxiao as
Li Chengqian, Crown Prince of Tang : Li Shimin's troublemaking eldest son. • Liu Jinlong as
Li Jiancheng : Li Changge's father and elder brother of Li Shimin. • Xu Rongzhen as Lady Jin : Li Changge's mother. • Cheng Taishen as
Du Ruhui : Hao Du's foster father. A Tang official and Li Shimin's loyal supporter. • Tan Jianchang as
Wei Zheng : Wei Shuyu's father. Li Jiancheng's advisor who later becomes Li Shimin's official. • Nicholas Wang as General Wang Junkuo • Yang Zi Hua as
Fang Xuanling :Li Changge's teacher and later
chancellor of Tang under Li Shimin. • Tian Yupeng as
Li Jing • Mei Lingzhen as
Hongfu : Li Jing's wife. • Kong Qili as
Li Chunfeng • Dongli Wuyou as Sheng Xin : Li Chengqian's servant.
Ashile • Jin Song as Ashile Chuobi, Yanli Qaghan • Historical prototype:
Illig Qaghan (颉利可汗) : Ashile Sun's adoptive father and ruler of the Ashile Tribe. Uncle and stepfather of Ashile She'er. • Yang Mingna as
Princess Yicheng,
Khatun of Ashile Tribe : A princess from the
Sui dynasty. Mother of Ashile She'er and Yanli Qaghan's wife. • Kudousi Jiang Ainiwaer as Ashile She'er, Young Khan of Ashile Tribe :
Princess Yicheng's only child, and nephew and stepson of Yanli Qaghan. Ashile Sun's biggest rival and leader of the Wolf Division. • Lu Yanbei as Lady Jinse : Yanli Qaghan's concubine and granddaughter of a Sui dynasty duke. • Zhu Liqun as A'Yi'er : Ashile Sun's foster mother. • Yi Daqian as Mu Jin : Ashile Sun's childhood friend and trusted general. • Jiang Xiaolin as Su Yishe :Ashile Sun's trusted general. • Zhang Haozhe as Yaluo : Ashile Sun's trusted general. • Cao Xiyue as Mimi Guli : Li Changge's close friend and childhood playmate of Ashile She'er.
People around Li Changge • Feng Junjie as A'Dou : Li Changge's apprentice. • Lu Xingyu as Gongsun Heng : Governor of Shuozhou. • Wang Jingyan as Madame Gongsun : Gongsun Heng's wife. • Li Jianyi as Qin Lao : Gongsun Heng's butler. • Wu Chengxu as Xu Feng : Gongsun Heng's bodyguard. • Liu Chuxuan as Luo Shiba : General Luo's last warrior who later serves Li Changge. •
Liu Haikuan as Situ Langlang : Li Changge's martial arts teacher. • Li Guangfu as
Sun Simiao : A
Taoist physician renowned for his medical knowledge and skills. •
Sa Dingding as Lady Jingdan : Leader of Luiyin Taoist Monastery in
Luoyang.
Others • Zhou Aoyun as Buzhen : Mimi Guli's younger brother and the companion of the
King of Sui. ==Production==