Main Cast:
* Deng Chao as Zhang Wuji
* An Yixuan as Zhao Min
* Liu Jing as Zhou Zhiruo
* Gao Yuanyuan as Zhou Zhiruo (younger version)
* He Rundong as Zhang Wuji (younger version)
* Liu Shishi as Xiao Zhao
* Chen Xiuli as Yin Susu
* Xie Ning as Zhang Sanfeng
* Zhang Guangbei as Zhang Cuishan
* Mi Xue as Yin Li
* Guo Xiaoting as Yang Buhui
Supporting Cast:
* Liu Dekai as Xie Xun
* Zheng Peipei as Ding Minjun
* Wang Luoyong as Song Qingshu
* Zhang Zhiyao as Wei Yixiao
* Zhang Junning as Zhou Zhiruo (older version)
* Zhao Wei as Zhou Zhiruo (older version)
* Yu Bo as Cheng Kun
* Shen Xiaohai as Fan Yao
This is just a partial list, as the cast is quite large. You can find a complete list of actors and actresses on websites like IMDb or Chinese movie databases.
It's important to note that there are several different versions of Yi Tian Tu Long Ji, with different actors for each. The 2009 version is just one of them.