In the seven-episode epic documentaryWar of Seven Kingdoms, popular actor Hai Yitian plays Shen Buhai, a reformer who made the Han State a major power of the Warring States Period (475-221 BC). [Photos: chinadaily.com.cn]

In epic documentaryWar of Seven Kingdoms, popular actor Lin Yongjian acts the role of King Huaiwang of the Chu State, a major player of the Warring States Period (475-221 BC).

In epic documentaryWar of Seven Kingdoms, veteran actor Wang Jinsong assumes the role of King Zhaowang of the Yan State, a major power of the Warring States Period (475-221 BC) in ancient China.

In epic documentaryWar of Seven Kingdoms, popular actor Yu Rongguang portrays the Marquis Shuhou, posthumously addressed as King Wuling, of the Zhao State, a major power during the Warring States Period (475-221 BC) in ancient China.

In epic documentaryWar of Seven Kingdoms, popular actor Yu Entai portrays Gongsun Yang, a reformer whose systematic reforms had turned a marginal Qin State into the superpower that ultimately unified ancient China for the first time.

In epic documentaryWar of Seven Kingdoms, veteran actor Zheng Zeshi takes on the role of Marquis Wenhou of the Wei State, a major power during the Warring States Period (475-221 BC) in ancient China.

In epic documentaryWar of Seven Kingdoms, popular actor Li Liqun takes the lead role of King Minwang, in the episode about the Qi State, a major power of the Warring States Period (475-221 BC).