Jun Ji-Hyun (born Wang Ji-Hyun on 30 October 1981), also known by her English name Gianna Jun, is a South Korean actress and model. She has received multiple awards, including two Grand Bell Awards for Best Actress and a Daesang (Grand Prize) for Television at the Baeksang Arts Awards.
Jun rose to fame for her role as The Girl in the romantic comedy film My Sassy Girl (2001), which became a tremendous sensation across Asia and sparked an international breakthrough for Korean cinema. Other notable films include Il Mare (2000), Windstruck (2004), The Thieves (2012), The Berlin File (2013), and Assassination (2015). She also starred in the television series My Love from the Star (2013–2014), The Legend of the Blue Sea (2016–2017), and Jirisan (2021), as well as the Netflix series Kingdom (2020–present).
Jun Ji-Hyun’s success in film and television has established her as a top Hallyu star. She is referred to as one of “The Troika” along with Kim Tae-hee and Song Hye-Kyo, collectively known by the acronym “Tae-Hye-Ji.”