Yoon Chae-yeong is a South Korean actress born on March 22, 2000. She began her career as a child actress, making her film debut in the horror film *Arang* (2006) and gaining her first major recognition with the drama *East of Eden* (2008), for which she won the Best Young Actress award at the MBC Drama Awards. Throughout her career, she has become known for portraying the younger versions of main characters in numerous television series, with a notable role in *Still 17* (2018). Her filmography includes roles in successful productions such as the romance drama *Do You Like Brahms?* (2020) and the internationally acclaimed series *All of Us Are Dead* (2022), where she portrayed the complex character of Park Eun-ji. Her ability to move between diverse genres, from drama to horror, has solidified her reputation as a versatile and talented actress in the South Korean television and film industry.