Swordplay novels by Jin Yong (aka Louis Cha) have been adapted into numerous TV series and films. Sword Stained with Royal Blood is no exception. Mainland Chinese director Zhang Jizhong, after turning a few Jin Yong novels into well-received TV series, adapts Sword Stained With Royal Blood into an intriguing swordplay drama, with more historical elements added compared to previous versions. Singer/actor Bobby Dou stars as Yuan Chengzhi, son of a general who has been killed by the emperor. He comes across a beautiful girl named Qingqing, portrayed by Eva Huang from Kungfu Hustle, and they embark on exciting adventures together, with Yuan still bearing in mind his desire to avenge his father's death. On his journey, he befriends another girl, Jiu, which after they have formed a close relationship, she reveals her real identity as the royal princess, daughter of the emperor who killed Yuan's father.

Cast
* Dou Zhi Kong as Yuan Cheng Zhi
* Eva Huang as Wen Qing Qing
* Sun Fei Fei as A Jiu / Princess Chang Ping
* Hsiao Shu Shen as He Tie Shou
* Ma Su as An Xiao Hui
* Guo Jin as He Hong Yao
* Gao Hu as Emperor Chong Zhen
* Vincent Jiao as Jin She Lang Jun
* Cheng Hao Feng as Li Yan
* Wang Wei Guo as Chuang Wang / Li Zi Cheng
* He Qing as Wen Yi
* Yu Cheng Hui as Mu Ren Qing
* Han Xiao as Sun Zhong Jun
* Su Mao as Sun Zhong Tao
* Tian Zhong as Cui Xi Min
* Yang Nian Sheng as Cheng Qing Zhu
* Zhang Heng Ping as Wen Fang Wu
* Li Ming as Hu Gui Nan
* Wang Wen Sheng as Liu Zong Min
* Wu Ting as Jiao Wan Er
* Wu Ma as Wen Fang Da
* Li Cheng Ru as Huang Tai Ji
* Zhang Ya Kun as Mei
* Zhang Ji Zhong as Meng Bo Fei
* Zhao Yi as An Jian Qing
* Liu Nai Yi as Yu Zhen Zi
* Xu Bai Hui as Hong Niang Zi
* Zhou Xiao Bin as Hong Sheng Hai
* Wang Xiao Ming