Fu Yun Shen --- Cheng Yi
Fu Yun Shen, a pharmaceutical researcher,despite his initial focus on the mining rights in Country M, gradually realizes the importance of helping the children and becomes sympathetic towards Zhu Jiu's cause. He understands Zhu Jiu's sorrow and wipes away her tears, expressing his own desire to assist the children. However, he also acknowledges his obligations and the mission he needs to fulfill. Fu Yun Shen emphasizes to Zhu Jiu that her presence is crucial, urging her not to give up.
Zhu Jiu --- Zhang Yu Xi
Zhu Jiu is a surgeon. She is a compassionate and determined individual who becomes involved in helping the sick children in Country M. Initially, Zhu Jiu accompanies Gu Ruan Ruan to the country for leisure purposes, but she is deeply moved by the plight of the children she encounters. Zhu Jiu realizes the significance of her presence in Country M and the opportunity to make a difference in the lives of the children. She takes it upon herself to raise awareness about their conditions by sharing photos and stories with people back in their home country. Zhu Jiu's empathy and sense of responsibility drive her to advocate for the children's well-being and to seek ways to save them.
Chen Le --- Li Xin Ze
