Gillian Anderson is an American-British actress. She is best known for her role as Special Agent Dana Scully in the popular television series "The X-Files" (1993-2018). Anderson began her acting career in the 1990s and has since appeared in numerous films and television shows, both in the US and the UK. She has received critical acclaim for her performances and has been nominated for several awards, including Golden Globe Awards, Emmy Awards, and Screen Actors Guild Awards. In addition to her acting career, Anderson is also a writer and has published several books, including two historical fiction novels. She is also a social and political activist and has been involved in various charitable organizations and campaigns.