Kwak Tae-geun (곽태근), better known by his stage name Ji Sung (지성), is a South Korean actor. He was born on February 27, 1977.

KNOWN FOR

Running Man
2011
Adamas
2022
Nattering with Nah
2024
The Judge Returns
2026
The Apartment Job
2026
Law of Marriage
2001
Familiar Wife
2018
Three Meals a Day: Jeongseon Village
2015
Terms of Endearment
2004
Kill Me, Heal Me
2015
KAIST
1999
SBS Drama Awards
2011

FILMOGRAPHY

All
Movies
TV
Acting
40
2026
The Judge Returns
as Lee Han-young
2026
The Apartment Job
as Park Hae-kang
2024
Connection
as Jang Jae-gyeong
2024
Nattering with Nah
2022
Adamas
as Ha Woo-shin / Song Soo-hyun
2021
The Devil Judge
as Kang Yo-han
2020
RUN
as Himself
2019
Doctor John
as Cha Yo-Han
2018
Feng Shui
as Heung-seon
2018
Familiar Wife
as Cha Ju-hyeok
2017
Defendant
as Park Jung-Woo
2016
Entertainer
as Shin Suk-Ho
2015
The Vampire Lives Next Door to Us
as Chang Ho
2015
Kill Me, Heal Me
as Cha Do-hyun / Shin Se-gi
2015
Three Meals a Day: Jeongseon Village
as Self
2014
Confession
as Hyun-tae
2013
Secret Love
as Jo Min-hyuk
2012
Whatcha Wearin'?
as Hyun-seung
2012
The Great Seer
as Mok Ji-sang
2011
Royal Family
as Han Ji-hoon
2011
Protect the Boss
as Cha Ji-heon
2011
Running Man
2011
SBS Drama Awards
as Host
2010
Kim Soo Ro
as Kim Su-ro
2009
Swallow the Sun
as Kim Jung-wo
2008
Fate
as Park Yeong-hwan
2007
New Heart
as Lee Eun-sung
2005
Blood Rain
as Du-ho
2005
Beating Heart
as Kim Woo-jin/Seok-jin
2004
Save The Last Dance for Me
as Kang Hyun-woo
2004
Terms of Endearment
as Noh Yun-tek
2003
All In
as Choi Jung-won
2003
The King’s Woman
as Prince Gwanghae
2002
Whistling Princess
as Jun-ho
2002
Days in the Sun
as Lee Seung-joon
2002
레츠고
2001
Law of Marriage
as Hwang Won-Soo
2001
Splendid Days
as Jang Seok-jin
2001
Delicious Proposal
as Jun Su
1999
KAIST
as Kang Dae-Wook