Gillian Anderson is best known for her role as FBI Special Agent Dana Scully in the hit TV series 'The X-Files'. The show follows Scully and her partner Fox Mulder as they investigate paranormal cases known as the X-Files. Anderson's portrayal of Scully earned her critical acclaim and numerous awards, including an Emmy and a Golden Globe. The X-Files became a cultural phenomenon and ran for 11 seasons, making it one of the longest-running sci-fi series in television history.