After KIM Sunyoung made her debut as actress on stage in 1995 with the play “After the Play”, she had her first film role in She's on Duty (2005). Since then, she has moved back and forth between the stage, screen, and TV, garnering attention with movies like Happy Bus Day, Communication & Lies, Herstory, Mal-Mo-E: The Secret Mission, Three Sisters, Dream Palace, and dramas like Reply 1988, When the Camellia Blooms, Crash Landing on You, Homemade Love Story, or The Silent Sea. Through her unique, delicate, and realistic acting, she has established herself as the best "scene stealer" in Korean cinema. In 2023, she won the Best Actress Award at the Asian Film Festival for Dream Palace, and in 2021, she scored the Baeksang Arts Award, the Busan Film Critics Award, the Buil Film Award, the Blue Dragon Film Award, the Korean Association of Film Critics Award the Korean Film Producers Association Award and many other national and international awards for Best Actress and Best Supporting Actress in Three Sisters. In 2018, she received many awards for her performance as supporting actress, such as the Wildflower Film Award for her appearance in Happy Bus Day, the Chunsa Film Art Award for Communication & Lies, the Buil Film Award for Herstory, and the Korea Gold Award for Mal-Mo-E: The Secret Mission. Following her strong performance in the recent dramas Crash Course in Romance and Queenmaker her next the movie Concrete Utopia is set to be released soon.