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Ji Sung Filmography
| 2026 | The Judge Returns (TV Series) · as Lee Han-Young |
| 2024 | Connection (TV Series) · as Jang Jae-Gyeong |
| 2022 | Adamas (TV Series) · as Ha Woo-Shin / Song Soo-Hyun |
| 2021 | The Devil Judge (TV Series) · as Kang Yo-Han |
| 2019 | Doctor John (TV Series) · as Cha Yo-Han |
| 2018 | Feng Shui · as Heung-Seon |
| 2018 | Familiar Wife (TV Series) · as Cha Ju-Hyeok |
| 2017 | Innocent Defendant (TV Series) · as Park Jung-Woo |
| 2016 | Entertainer (TV Series) · as Shin Suk-Ho |
| 2015 | Kill Me, Heal Me (TV Series) · as Cha Do-Hyun / Shin Se-Gi |
| 2014 | Confession · as Hyun-Tae |
| 2013 | Secret Love (TV Series) · as Jo Min-Hyuk |
| 2012 | Whatcha Wearin'? · as Hyun-Seung |
| 2012 | The Great Seer (TV Series) · as Mok Ji-Sang |
| 2011 | Protect the Boss (TV Series) · as Cha Ji-Heon |
| 2011 | Royal Family (2011) (TV Series) · as Han Ji-Hoon |
| 2010 | Running Man (TV Series) |
| 2010 | Kim Soo Ro (TV Series) · as Kim Su-Ro |
| 2009 | Swallow the Sun (TV Series) · as Kim Jung-Wo |
| 2008 | Fate · as Park Yeong-Hwan |
| 2007 | New Heart (TV Series) · as Lee Eun-Sung |
| 2005 | Blood Rain · as Du-Ho |
| 2004 | Save Your Last Dance for Me (TV Series) · as Kang Hyun-Woo |
| 2004 | Terms of Endearment (TV Series) · as Noh Yun-Tek |
| 2003 | The King’s Woman (TV Series) · as Prince Gwanghae |
| 2003 | All In (TV Series) · as Choi Jung-Won |
| 2002 | Days in the Sun (TV Series) · as Lee Seung-Joon |
| 2001 | Sweet Proposal (TV Series) · as Jun Su |
| 1992 | SBS Drama Awards (TV Series) · as Host |
| 2008 | Fate · as Screenplay |
| 2020 | RUN (2020) (KR) (TV Series) · as Himself |
| 2014 | Three Meals a Day (TV Series) · as Self |