Echo: Reparto
Song Jia
Ran Dongdong
Wang Yang
Mo Dafu
Bao Bei'er
Wu Wenchao
Wu You
Xia Bingqing
Zhu Yuchen
Xu Shanchuan
Dong Jie
Bei Zhen
Chuai Ni
Shen Xiaoying
Liu Guanlin
Xu Haotao
Liu Kai
Liu Qing
Chang Shixin
Bu Zhilan
Zhang Guoli
Ran Bumo
Xu Fan
Huang Qiuying
Zhang Jiayi
Hong Ange
Huang Xuan
Wang Chuan
Hou Wenyuan
Shao Tianwei
Hao Ping
[Xia Bing Qing's father]