Saskia Reeves (born August 16, 1961) is an English actress, known for her roles in films including Close My Eyes (1991) and I.D. (1995), Our Kind of Traitor (2016), in the 2000 miniseries Frank Herbert's Dune, and in TV series, including as a series regular in Luther (2010), Shetland (2016), and Slow Horses (2022–present).