Acting
Sung Ki-yoon
He is a musical stage, film and drama actor. He attended and graduated from Seoul National University of Arts, Department of Theater, Dongseo University, Department of Musical Arts, and Dankook University Graduate School of Culture and Arts.
Acting
- 2026Take Charge of My HeartChoi Tae-sik6 ep.
- 2025No MercyKim Du-sik8 ep.
- 2023My Man Is CupidPark Dae-sik16 ep.
- 2023A Time Called YouKwon Sang-jo1 ep.
- 2022Extraordinary Attorney WooKim Jin-pyeong1 ep.
- 2021Youth of MayHwang Jung-tae (adult)1 ep.
- 2019Beautiful WorldNa Pil-joon16 ep.
- 2016SignalHae-yeong's Father3 ep.
Guest appearances
- 2026Take Charge of My HeartChoi Tae-sik6 ep.
- 2023A Time Called YouKwon Sang-jo1 ep.
- 2022Extraordinary Attorney WooKim Jin-pyeong1 ep.
- 2021Youth of MayHwang Jung-tae (adult)1 ep.
- 2016SignalHae-yeong's Father3 ep.
Also known as: 성기윤 · Seong Gi-yun