Biography
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.

Acting
Seoul, South Korea
Born
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.

The Judge Returns· 2026
Lee Han-young

Connection· 2024
Jang Jae-gyeong

Nattering with Nah· 2023

Adamas· 2022
Ha Woo-shin / Song Soo-hyun

The Devil Judge· 2021
Kang Yo-han

RUN· 2020
Himself

Doctor John· 2019
Cha Yo-Han

Familiar Wife· 2018
Cha Ju-hyeok

Defendant· 2017
Park Jung-Woo

Entertainer· 2016
Shin Suk-Ho

Kill Me, Heal Me· 2015
Cha Do-hyun / Shin Se-gi

Three Meals a Day: Jeongseon Village· 2014
Self

Secret Love· 2013
Jo Min-hyuk

The Great Seer· 2012
Mok Ji-sang

Protect the Boss· 2011
Cha Ji-heon

Royal Family· 2011
Han Ji-hoon

Kim Soo Ro· 2010
Kim Su-ro

Running Man· 2010

Swallow the Sun· 2009
Kim Jung-wo

New Heart· 2007
Lee Eun-sung

Beating Heart· 2005
Kim Woo-jin/Seok-jin

Save The Last Dance for Me· 2004
Kang Hyun-woo

Terms of Endearment· 2004
Noh Yun-tek

All In· 2003
Choi Jung-won

The King’s Woman· 2003
Prince Gwanghae

Days in the Sun· 2002
Lee Seung-joon

레츠고· 2002

Delicious Proposal· 2001
Jun Su

Law of Marriage· 2001
Hwang Won-Soo

Splendid Days· 2001
Jang Seok-jin

KAIST· 1999
Kang Dae-Wook

SBS Drama Awards· 1992
Host

Apartment
Park Hae-gang