Joo Ji Hoon is a South Korean actor. Born on May 16, 1982, as Joo Young Hoon, he first started working as a model in 2003. He made his acting debut in the television drama “Old Love” but gained fame in the 2006 drama “Goong (aka Princess Hour),” for which he won Best New Actor at the MBC Drama Awards. Joo Ji Hoon is best known for his roles in “Five Fingers” (2012), “Medical Top Team” (2013) and “Mask” (2015).