Ju Ji-hoon (or Joo Ji-hoon) is a South Korean actor who is best known for the film Antique (2008) and I Am a King (2012). He won several awards such as Best New Actor in MBC Drama Awards (2006), Popularity Award in Baeksang Arts Awards (2009) and APAN Star Awards (2013).
Ju's first leading role was as Crown Prince Lee Shin in television series Princess Hours (2006). He graduated from Kyongji University with a major in acting.
On May 9, 2014, both Ju's and Brown Eyed Girls member Ga-in's agency both confirmed that they are dating.