Jiatian Zhang. According to the official website of Under the Bridge and the Girl with the Plate, Jiatian Zhang plays Cai Ming, the deputy director of Qianjin Tractor Factory in Under the Bridge. Liu Sijia, the young driver of the steel mill motorcade, plays in The Girl with the Plate. Jiatian Zhang, China actor, national first-class actor, director and producer of China TV Production Center, director of National Natural and Cultural Heritage Protection Foundation.