Kim Hye-soo (Korean: 김혜수; born September 5, 1970) is a South Korean actress. She is best known for her roles in the films Tazza: The High Rollers (2006), The Thieves (2012), Coin Locker Girl (2015) and Familyhood (2016) as well as television series Signal (2016) and Hyena (2020). She is known for her versatility and acting range.