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Who Rules the World (且试天下) – director, cast, plot and where to stream

Michelle Topham August 12, 2025

Who rules the world poster cdrama

CHINESE TITLE — 且试天下 (aka Qie Shi Tian Xia)

PLOT

The supremely elegant Hei Feng Xi (played by Yang Yang) and the peerlessly radiant Bai Feng Xi (played by Zhao Lu Si) meet and spar for ten years in the martial world, earning the joint title of “White Feng and Black Xi” among the warriors.

It is only when the imperial court undergoes turbulent changes that they discover each other’s alternate identities — Hei Feng Xi is in fact Feng Lan Xi, the second prince of Yongzhou, while Bai Feng Xi is actually Feng Xi Yun, the princess of Qingzhou.

After securing his position as the heir to the throne of Yongzhou, Feng Lan Xi accompanies Feng Xi Yun back to Qingzhou to witness her ascension as its queen and stands by her side to confront the joint invasion of Qingzhou by the allied forces of Youzhou and Yizhou.

In the end, the two join forces to eliminate Yu Wuyuan, who is plunging the world into chaos for personal gain. 

Director, Staff and Cast

  • Directors: Yin Tao (The Blood of Youth) and Yu Yong Gang (Court Battle)
  • Screenwriters: Zhang Wei (A Journey to Love) and Shang Meng Lu (Once We Get Married)

Main Cast

  • Yang Yang as Feng Lan Xi / Hei Feng Xi
  • Zhao Lu Si as Feng Xi Yun / Bai Feng Xi

Supporting Cast

  • Xuan Lu as Feng Qiwu
  • Leon Li as Huang Chao
  • Zhang Hao Wei as Yu Wuyuan
  • Huang Yi as Zhong Li
  • Liu Rui Lin as Feng Ju
  • Tao Xi Le as Feng Ju (young)
  • Zhang Feng Yi as Lord of Yong State
  • Liu Meng Ling as Lord of Yong State (young)
  • Wang Xuan as Ren Chuanyu
  • Zhao Zhuo Ting as Ren Chuanyun
  • Zhao Xin as Huan Niang
  • Pan Fei Yang as Sun Si
  • Song Jian Bin as Wang Hai
  • Carman Lee as Empress Bai Li
  • Qi Ge as Empress Bai Li (young)
  • Meng Qin as Princess Yi Qing
  • Zhang Tian Yang as Feng Chang
  • Xiao Tian Ren as Feng Chang (teenager)
  • Chen Zi Qi as Feng Chang (young)
  • Jiang Bai Xuan as Ren Rusong
  • Xu Peng as Ren Rusong (young)
  • Jiang Feng as Yuan Lu
  • Zhang Gong as Feng Yanshou
  • Fan Yi Ning as Wang Yuan
  • Huo Qing as Pei Youyue
  • Wu Li Hua as Physician Wu
  • Zhao Yan Song as Qi Yannian
  • Wu Yi Jia as Qi Yun
  • Feng Guo Qiang as Shang Ye
  • Wu Bin as Zhao Qinghou
  • Zhou Luo Yi as Hong Luo
  • Jiang Kai as Bai Jiande
  • Fu Bo Han as Han Pu
  • Lu Zhan Xiang as Han Pu (young)
  • Ai Mi as Bai Langhua
  • Wang Hong Yi as Xiu Jiurong
  • Zhang Rui Cheng as Gu Yu
  • Xu Ling Chen as Lu Shi
  • Ma Yue as Lord of Qing State
  • Li Jiu Lin as Feng Xieyue
  • Dong Yi Xiao as Cheng Feiyu
  • Zhang Yu Xuan as Huang Chao (young)
  • Zheng Xiao Ning as Lord of Ji State
  • Leng Ji Yuan as Xiao Xuekong
  • He Kai Lang as Yan Yingzhou
  • Yang Qing Zhu as Qiu Jiushuang
  • Cui En Ci as Princess Huang Yu
  • Wang Gang as Lord of You State
  • An Yue Xi as Hua Chunran
  • Xing Yun Jia as Hua Chunran (young)
  • Du Zhao as Hua Chunyuan
  • Du Zhi Guo as Emperor Chun Xi
  • Yi Da Qian as Jing Yan
  • Lu Yong as Dong Shufang
  • Niu Zhi Qiang as Fei Sheng
  • Mo Yun Kai as Liu Wenxiang
  • Feng Ming Jing as Eunuch Hu
  • He Yong Sheng as Lord of Shang State
  • Yang Ming as Fan Shiji
  • Wei Jin Song as Eunuch Liu Chang Xiu
  • Hei Zi as Lord of Bei State
  • Zhang Jun as General of Shang State
  • Ji Bin as Queen of Bei State
  • Zong Feng Yan as Han Xuan Ling

Premiere Details

Who Rules the World premiered its first episodes on April 18th, 2022, and ran for 40 episodes, ending on May 17th, 2022.

Where Streaming

The Chinese drama is currently streaming on Tencent Video in China, and on WeTV and on Netflix internationally.

Articles about the Chinese drama

Who Rules the World: A must-watch Chinese drama packed with romance, intrigue, and epic action

 

About the Author

Michelle Topham

Editor

British-American journalist obsessed with C-dramas, a subject I have been writing about for more than two decades. How many C-dramas have I watched? Many many hundreds. How many are still in my backlog? Hundreds more.

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