Gillian Leigh Anderson is a American actress and writer. She received international fame for starring as FBI Special Agent Dana Scully in the Fox science fiction mystery series The X-Files, winning a Primetime Emmy Award for the role. Her other credits include socialite Lily Bart in Terence Davies's film The House of Mirth (2000), DSU Stella Gibson in the BBC/RTÉ crime drama television series The Fall (2013–2016), sex therapist Jean Milburn in the Netflix comedy-drama Sex Education (2019–2023), and British Prime Minister Margaret Thatcher in the fourth season of Netflix drama series The Crown (2020), for which she earned her second Golden Globe.