Lee Yun-sang Filmography
| 2024 | Dongjae, The Good or The Bastard (TV Series) · as Mayor Of Cheongju |
| 2024 | Flex x Cop (TV Series) · as Doctor (eps 3) |
| 2023 | Welcome to Samdal-ri (TV Series) · as Hospital Director |
| 2023 | Crash Course in Romance (TV Series) · as Mr. Yang |
| 2022 | The Golden Spoon (TV Series) · as Doshin Group Board Member |
| 2022 | Blind (2022) (TV Series) · as Judge |
| 2022 | Stock Struck (TV Series) · as [shareholder Meeting Moderator] (ep. 7) |
| 2022 | Big Mouth (2022) (TV Series) · as Judge |
| 2022 | Extraordinary Attorney Woo (TV Series) · as Han Sang-Tae |
| 2021 | Dali and Cocky Prince (TV Series) · as Yoon Sang-Ki |
| 2021 | Navillera (TV Series) · as Kwon Byung-Wook |
| 2020 | Mystic Pop-up Bar (TV Series) · as Father In Drama Series |
| 2020 | Hospital Playlist (TV Series) · as Doctor |
| 2019 | Vagabond (TV Series) · as Jang Dong Gyu [president, Institute For Defense Analysis] |
| 2019 | Be Melodramatic (TV Series) · as Chief Director |
| 2019 | Touch Your Heart (TV Series) · as Judge |
| 2018 | The Rich Son (TV Series) · as [funeral Attendee] |
| 2016 | Dr. Romantic (TV Series) · as [yoon Wan's Associate] |