Ivy Chen (陈意涵) as Zhang Xiaowen/Ma’er Tai Ruo Xi Tony Yang (杨佑宁) as Yìn Zhen (fourth prince) Shawn Dou (窦骁) as Yin Ti (fourteenth prince, likes Ruo Xi) Ireine Song (宋伊人) as Yu Tan Zhou Jun Chao (周骏超) as Yin...