Liu Ruyu's servant girl was played by Zhao Ke.
During the Qing years, Liu Ruyu's personal maid was Liu Sisi.
The actor for Liu Ruyu's birthday celebration was Zhao Ke.
In " Celebrating Years," the role of Liu Ruyu was played by actor Zhao Ke. Zhao Ke was a Chinese film actress, a national first-class rhythmic gymnastics athlete, and a member of the Chinese Dancer Association. She officially debuted in the entertainment industry in 2003 and showed outstanding acting skills in her later works. In " Celebrating Years," Zhao Ke had successfully created the character of Liu Ruyu, accurately displaying her contradictory, capable, soft, and transparent characteristics. Zhao Ke's outstanding acting skills made Liu Ruyu's character even more three-dimensional, bringing joy, pleasure, and emotional enjoyment to the audience. In the second season, Zhao Ke gave a more detailed description of Liu Ruyu's character, making it more three-dimensional and voluptuous.
Liu Ruyu was played by Zhao Ke in " Celebrating Years."