◦ Me (protagonist, son): Chen Yuan
◦ Mother (one of the swappers): Li Xiulan
◦ Lin Xi (the heroine, one of the swappers): Lin Xi
◦ Dad: Chen Jianguo
◦ Aunt: Chen Xiumin
◦ Uncle: Wang Haitao
◦ Uncle (Guardian, Chen Shouyi): Chen Shouyi
◦ Female boss (Director Zhang): Zhang Qiming
◦ Colleague of the heroine (Xiao Li): Li Yang
◦ Community Director Wang: Wang Guilan
◦ Community Aunt Li: Li Cui'e
◦ Community Auntie Liu (T-show leader): Liu Jinfeng
◦ Person in charge of connecting with neighboring cities (Manager Zhao): Zhao Weidong
1. Core family members
◦ Me (protagonist, son): Chen Yuan (gentle and steady, in line with the identity of the coordinator who connects the entire incident)
◦ Mom (one of the swappers): Li Xiulan (a typical name for a traditional housewife, gentle and down-to-earth)
◦ Lin Xi (female protagonist): Lin Xi
◦ Dad: Chen Jianguo
◦ Aunt: Chen Xiumin
◦ Uncle: Wang Haitao (his name is honest and simple, suitable for the role of accompanying the investigation and being hands-on)
◦ Me: Chen Yuan
◦ Mother: Li Xiulan
◦ Linxi: Linxi
◦ Dad: Chen Jianguo
◦ Aunt: Chen Xiumin
◦ Uncle: Wang Haitao
◦ Uncle: Chen Shouyi
◦ Female boss: Zhang Qiming
◦ Colleague of the heroine: Li Yang
◦ Community Director Wang: Wang Guilan
◦ Community Aunt Li: Li Cui'e
◦ Community Aunt Liu: Liu Jinfeng
◦ Person in charge of connecting with neighboring cities: Zhao Weidong
