Jun Ji-hyun (전지현), also known as Gianna Jun, is a South Korean actress born on October 30, 1981. Beginning her career as a fashion model in 1997, she achieved widespread fame across Asia for her lead role in the romantic comedy film My Sassy Girl (2001).

Jun's notable feature film credits include Il Mare (2000), Windstruck (2004), The Thieves (2012), The Berlin File (2013), and Assassination (2015). Her major television credits encompass highly successful series such as My Love from the Star (2013–2014), The Legend of the Blue Sea (2016–2017), Kingdom: Ashin of the North (2021), and Jirisan (2021).