Serena Harriet Scott Thomas (born 21 September 1961) is an English actress and documentary producer. Her television roles include Diana, Princess of Wales in ' in 1993. Her film appearances include The World Is Not Enough (1999), Hostage (2005), Brothel (2008), and Inherent Vice (2014).
Scott Thomas was born in Nether Compton, Dorset. Her mother, Deborah (née Hurlbatt), was brought up in Hong Kong and Africa, and studied drama before marrying her father, Lieutenant Commander Simon Scott Thomas, a pilot in the Royal Navy who died in a flying accident in 1966. Actress Kristin Scott Thomas is her older sister; she has two other siblings.
Scott Thomas is known for her portrayal of Diana, Princess of Wales, in the television mini-series ' (1993), and for playing the lead in the TV film Harnessing Peacocks (1993) she was also a supporting character as Kelly Bridges, Nash Bridges's second ex wife on the show Nash Bridges (1996-1997) and Dr. Molly Warmflash in the James Bond film The World Is Not Enough (1999). She played a villainous "watcher" in the Buffy the Vampire Slayer episode "Revelations" (1998) and also starred in the short-lived series All Souls (2001), as well as playing Bruce Willis's wife in the film Hostage (2005). She appeared on the television shows Nip/Tuck and NCIS and starred in the film Brothel (2008). She played the role of Carole Middleton, mother of Kate Middleton, in ', a biopic of Kate's romance with Prince William. Serena Scott appeared on Peacock's Days of Our Lives as Fiona Cook, mother of Xander Cook.