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Lee Sang-jun Filmography
| 2025 | Heesu in Class 2 (TV Series) · as Kim Seung-Won |
| 2024 | Connection (TV Series) · as Kim U-Sung |
| 2024 | Crash (2024) (TV Series) · as Jin-Young |
| 2024 | Frankly Speaking (TV Series) · as Song Ki-Baek [teen] |
| 2024 | Beauty and Mr. Romantic (TV Series) · as Park Do-Jun |
| 2022 | Cheer Up (TV Series) · as Color Guard Member |
| 2021 | School 2021 (TV Series) · as Lee Jae-Hyeok |
| 2021 | Squid Game (TV Series) · as Pink Soldier |
| 2021 | Blue Birthday (2021) (TV Series) · as Cha Eun-Seong |
| 2019 | The funeral to heaven · as Photographer |
| 2018 | Bully · as Jeong Min-Goo |
| 2018 | Bully · as Jeong Min-Goo |
| 2017 | Drama Stage (TV Series) · as Kim Dae-Il |