Park Seong-geun Filmography
| 2025 | Pro Bono (2025) (TV Series) |
| 2025 | Our Golden Days (TV Series) · as Park Jin Seok |
| 2024 | Hidden Face · as Office Manager |
| 2024 | Dongjae, The Good or The Bastard (TV Series) · as Kang Won-Cheol |
| 2024 | Citizen of a Kind · as Police Team Leader |
| 2023 | Countdown · as Director |
| 2022 | A Man of Reason · as Big Brother |
| 2022 | The Interest of Love (TV Series) · as Park Dae-Seong |
| 2022 | INSIDER (TV Series) · as Hong Sang-Wook |
| 2022 | 우리_사이 (TV Series) |
| 2021 | Paid in Blood · as Cho Bang Hyun |
| 2021 | On the Verge of Insanity (TV Series) · as Gong Jung Pil |
| 2021 | Racket Boys (TV Series) · as Jung Ji-Seong |
| 2021 | Taxi Driver (2021) (TV Series) · as Kim Hyeong-Seob |
| 2020 | Sweet Home (TV Series) · as Cha Hyun-Chul |
| 2020 | Private Lives (2020) (TV Series) · as Cha Hyun Tae |
| 2020 | Into The Ring (TV Series) · as Lee Dae Cheol |
| 2020 | |
| 2020 | Innocence · as President Of Law Firm |
| 2020 | The Man Standing Next · as Kcia Secretary Kang Chang-Su |
| 2019 | |
| 2019 | VIP (TV Series) · as Ha Jae Woong |
| 2019 | Everything and Nothing (2019) (TV Series) · as Hae Young's Boyfriend |
| 2019 | At Eighteen (TV Series) · as Lee Guan Yong [vice Principal] |
| 2018 | Encounter (TV Series) · as Choi Jin-Cheol |
| 2018 | The Witness · as Documentary Host |
| 2018 | My ID is Gangnam Beauty (TV Series) · as Do Sang-Won |
| 2018 | Sketch (TV Series) · as O Jin-U |
| 2017 | Because This Is My First Life (TV Series) · as Venture Capitalist |
| 2017 | Stranger (2017) (TV Series) · as Kang Won-Chul |
| 2017 | Suspicious Partner (TV Series) · as Kang Jin-Uk |
| 2016 | Second To Last Love (KR) (TV Series) · as Han Jeong-Shik |
| 2015 | Inside Men · as Prosecutor (uncredited) |
| 2015 | Mrs. Cop (TV Series) · as Yoon Hyung-Seok |
| 2014 | Whistle Blower · as Pd |
| 2014 | Broken · as Inspection Department #1 |
| 2011 | Always · as Ophthalmologist |
| 2010 | KBS Drama Special (TV Series) · as Presidente Lee |
| 2001 | Take Care of My Cat · as Assistant Manager Park |