Gillian Anderson is best known for her role as FBI Special Agent Dana Scully in the iconic TV series, The X-Files. The show follows Scully and her partner, Fox Mulder, as they investigate paranormal and unsolved cases. Anderson's portrayal of Scully earned her critical acclaim and a loyal fan base. The X-Files ran for 11 seasons and spawned two feature films, showcasing Anderson's talent and versatility as an actress.