Son Suk-ku (Korean: 손석구; Korean pronunciation: [son.sʌk̚.ku]; born February 7, 1983) is a South Korean actor. He gained recognition for his roles in the television series Matrimonial Chaos (2018), Designated Survivor: 60 Days (2019), D.P. (2021–2023), My Liberation Notes (2022) and A Killer Paradox (2024), as well as the films Nothing Serious (2021) and The Roundup (2022). ()