Young Seo-yeon is Seo-yeon as an eight-year-old child in 1999. She visits the house with her father during the attempted purchase and becomes Young-sook's captive after her father is killed, making her childhood directly central to the later changes in Seo-yeon's reality.
Um Chae-young has 6 screen credits in a career dating back to 2015. Signature works include Cheer Up, Mr. Lee, The Call, Guimoon: The Lightless Door. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
