The X-Files Partner is Dana, a four letter word. Dana Scully is a fictional character in the Fox science fiction-supernatural television series The X-Files, played by Gillian Anderson. She is an FBI agent and a medical doctor assigned to work with Fox Mulder on cases linked to the paranormal, nicknamed the X-Files. Scully's scientific background brings a level of objectivity to Mulder's investigations. She is often skeptical of Mulder's non-conventional theories, but she is also willing to follow his lead.