Liu Peiqiang: In the two films "The Wandering Earth 1" and "The Wandering Earth 2", Liu Peiqiang (played by Wu Jing) is one of the most important characters, he is one of the core members of the entire Wandering Earth Project, and this role runs through both films. In "The Wandering Earth 1", Liu Peiqiang is already an adult and is the father of Liu Qi (played by Qu Chuxiao) and Han Duoduo (played by Zhao Jinmai). In "The Wandering Earth 2", Liu Peiqiang's image when he was young is presented, and the timeline is that this film is a prequel.
Liu Qi: The role of Liu Qi is played by Qu Chuxiao, who appeared in "The Wandering Earth 1" and "The Wandering Earth 2". In both films, Liu Qi is the central character, he is the son of Liu Peiqiang and Han Duoduo, and he is also an important driving force for them to challenge fate. In The Wandering Earth 1, he played a very important role by being the first to discover Jupiter's gravitational anomaly and to talk to Moss. In "The Wandering Earth 2", his image is even fuller, not only a brave driver, but also a responsible captain. He was a brave and responsible man who showed determination and courage in the face of critical moments of life and death for the planet. His image is used throughout both films and becomes a symbol of human self-salvation.
Han Duoduo: In the movies "The Wandering Earth" and "The Wandering Earth 2", Han Duoduo's character relationship has aroused the audience's attention. In "The Wandering Earth 1", Han Duoduo is a character played by Zhao Jinmai, she is Liu Qi's sister, Liu Peiqiang and Han Duoduo's daughter. In "The Wandering Earth 2", Han Duoduo played by Wang Zhi is the daughter of Han Ziang played by Wu Mengda, Liu Qi's cousin and Liu Peiqiang's daughter-in-law, unfortunately she died of radiation sickness. In order to miss his daughter, Han Ziang took his grandson Liu Qi to live in the dungeon, rescued a baby girl and named her Han Duoduo. Therefore, although the two characters are both named Han Duoduo, their identities and character relationships are significantly different.
Han Ziang: In the movies "The Wandering Earth" and "The Wandering Earth 2", Han Ziang played by Wu Mengda is a central character. He is the senior driver of the No. 373 heavy industrial carrier vehicle, and his character is brave and resilient, which impresses the audience. In "The Wandering Earth 1", due to the damage of the leg of the protective suit, which led to the leakage of oxygen, Han Ziang finally froze to death in the surface air at the age of 76. However, his influence did not dissipate because of this, but was further inherited in "The Wandering Earth 2". In this film, his daughter Han Duoduo (played by Wang Zhi) is a brave female warrior and the wife of Liu Peiqiang. Unfortunately, Han Duoduo died of radiation sickness, and in order to miss his daughter, Han Ziang took his grandson Liu Qi to live in the dungeon, saved a baby girl and named her Han Duoduo.