Main •
Hou Minghao as Hua Biao •
Wan Peng as Yang Xi • Li Yazhen as child Yang Xi • Zhang Yao as Li Yu • Wei Renhao as child Li Yu • Pan Meiye as Yangxiao Hemei • Li Mingde as Situ Er Tiao
Supporting •
Dai Luwa as Huang Deng Deng • Chen Xijun as Yang Chao, Yangxi's brother •
Wang Sen as Kong Xiaojun •
Wu Yanshu as Shi Junfang, Hua Biao's grandmother • Tian Miao as Du Yuemei, Yangxi's mother • Wei Yibo as Yang Weiguo, Yangxi's father • Sun Shuaihang as Director of Li Gun'er • Wei Zixin as Li Yu's father • Wang Xiuzhu as Xiao Hongbai • Guo Zhongyou as Situ Dong Feng • Su Xin as He Mei's mother • Chen Huijuan as Situ Er Tiao's mother • Yu Xinhe as Xiao Lan • Sun Letian as Pang Tuotuo • Ning Xiaohua as Wang Laowu
Others • Feng Bo as Li Yu's mother • Du Heqian as Huang Dengdeng's mother • Zhao Ziqi as Yang Ming • Man Jianwu (满建武) as Xiao Lan's younger brother • Wang Siqin (王思钦) as Aunt Huang • Tian Shuang as Yang Ming's aunt • Song Jingao (宋景奥) as Hua Biao's father • Long Xinyue as Hua Biao's mother • Yao Bing as He Mei's father • Liu Yingjie (刘英杰) as Gao Zhihang • Zhang Chenlu (张晨璐) as Liu Beisi • Zhao Bowen (肇博文) as Bai Yunpeng • Xiao Wei as Biology Teacher • Chen Yijun (陈怡君) as Liu Dan • Yao Yiqi as Bicycle thief ==Soundtrack==