Koo Sung-Hwan (구성환) is a South Korean actor, His also known as Gu Sung Hwan, Gu Seong Hwan, Koo Sung Hwan, Goo Seong Hwan, He was born on 30th June 1980 in South Korea. Koo Sung-Hwan is known for his drama serials Tong: Memories (2016), Designated Survivor: 60 Days (2019), Jirisan (2021), Through the Darkness (2022), Pachinko (2022), and the South Korean actor Koo Sung-Hwan will also be starring in the upcoming Netflix Series Uncle Samsik Kdrama (2023).

Koo Sung-Hwan father name is N/A and his mother name is N/A. His marital status is unmarried. There is no data accessible with respect to family background and siblings.