Ji Sung

Kwak Tae-geun (Korean: 곽태근, born 27 February 1977), known professionally as Ji Sung (Korean: 지성), is a South Korean actor. He is best known for his roles in the television dramas All In (2003), Save the Last Dance for Me (2004), New Heart (2007), Protect the Boss (2011), Secret Love (2013), Kill Me, Heal Me (2015), Innocent Defendant (2017), Familiar Wife (2018), Doctor John (2019), The Devil Judge (2021), Connection (2024), The Judge Returns (2026) and the film My PS Partner (2012).