Lee Ju-seung Filmography
| 2025 | Our Movie (TV Series) · as Im Jun-Byeong |
| 2024 | Citizen of a Kind · as Kyung-Cheol |
| 2023 | Dauren's Wedding · as Seung-Joo |
| 2023 | Like Flowers in Sand (TV Series) · as Cho Seok-Hui |
| 2023 | The Guest · as Min-Cheol |
| 2023 | Black Knight (2023) (TV Series) · as Useless |
| 2021 | Happiness (2021) (TV Series) · as Andrew |
| 2018 | Top Management (TV Series) · as Joo Seung Ri / "lj" |
| 2017 | Drama Stage (TV Series) |
| 2017 | 시골경찰 (TV Series) |
| 2017 | Voice (TV Series) · as Hwang Kyung Il |
| 2016 | The Senior Class · as Jeong-Woo |
| 2016 | Duel: Final Round · as Poong-Ho |
| 2015 | 9 Seconds: Eternal Time (TV Series) · as Kang Yoo Chan |
| 2015 | The Time We Were Not In Love (TV Series) · as Oh Daebok |
| 2015 | The Producers (TV Series) · as Joon-Bae |
| 2014 | Socialphobia · as Young-Min |
| 2014 | Pinocchio (2014) (TV Series) · as An Chan-Su |
| 2014 | Blade Man (TV Series) · as Joo Hong Joo |
| 2014 | Flirty Boy and Girl (TV Series) · as Man #4 Only Child |
| 2014 | The Outstanding Woman (TV Series) · as Joo Seung |
| 2014 | Futureless Things · as Lee Ji-Yong |
| 2014 | King of High School (TV Series) · as Ji Dae-Han |
| 2014 | Broken · as Jo Doo-Sik |
| 2014 | Golden Cross (TV Series) · as Oh Chang-Hee |
| 2013 | Shuttlecock · as Min Jae |
| 2013 | Let's Eat (TV Series) · as Lee Joo Seung / Ahn Chan Soo |
| 2013 | |
| 2013 | I Live Alone (TV Series) |
| 2011 | U.F.O · as Jung Soon-Kyu |
| 2011 | A Confession · as Yoon Kyung Ho |
| 2010 | A Boy's Sister · as Jin-Ho |
| 2010 | Ordinary Days · as Lee Soo-Hyuk |
| 2010 | KBS Drama Special (TV Series) · as Cha Joon-Ho |
| 2009 | Cheonggyecheonui gae · as Cast |
| 2008 |
| 2007 | Radio Star (TV Series) · as Self |