Gianna Jun, also known as Jun Ji-hyun, is a South Korean actress and model born on October 30, 1981. She gained fame for her role in the romantic comedy film My Sassy Girl, which became a cultural phenomenon in the early 2000s. Her performance earned her critical acclaim and established her as a leading actress in the South Korean film industry. In addition to her film career, Gianna Jun has appeared in popular television dramas, including My Love from the Star and Legend of the Blue Sea. She is known for her versatility and has received numerous awards for her acting, making her one of the most recognized figures in South Korean entertainment.