This movie is also about Wei Zi in Gege. Who played it?

Li Mingji of South Korea plays Wei Zi.

Wang Shuqi plays Yongkang, the dragon general.

Ye Jingsheng (stage name) (real name is Ye Jingsheng) plays the poor Lord with yellow hair.

Zhong Shuhui plays purple-blue.

There is also the Golden Lock played by Zhou Jiaru (the opening actor wrote Zhou Jiaru)

Wang Feifei plays the swallow (Wang Feifei can't find the photo).