Nickolas Andrew Halliwell Grace (born 21 November 1947) is an English actor notable for his roles on television, including Anthony Blanche in Brideshead Revisited (1979-1981), and the Sheriff of Nottingham in Robin of Sherwood (1984–1986). Other credits include Survivors (1975), The Professionals (1980), Napoleon and Josephine: A Love Story (1987), Salome's Last Dance (1988), Birds of a Feather (1989), The Green Man (1990), Evita (1996), The Hunchback (1997), Merlin (1998), Ian Fleming: Bondmaker (2005), My Family (2008), Doctor Who (2011), and Killing Eve (2019).