Gillian Anderson is best known for her role as FBI Special Agent Dana Scully in the iconic sci-fi television series, The X-Files. The show follows Scully and her partner, Fox Mulder, as they investigate paranormal and unsolved cases known as the X-Files. 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, making it a must-watch for any fan of Gillian Anderson.