David Duchovny FBI Special Agent Fox Mulder Actor Gillian Anderson FBI Special Agent Dana Scully Actor Mitch Pileggi Asst. Dir. Walter Skinner Actor Karri Turner Tara Scully Guest Star Sheila Larken Margaret Scully Guest Star Pat Skipper Bill Scully Jr. Guest Star John Pyper-Ferguson Det. John Kresge Guest Star Rob Freeman Marshall Sim Guest Star Mecca Maynard Emily Sim Guest Star Patricia Dahlquist Susan Chambliss Guest Star Chris Carter Executive Producer Vince Gilligan Writer John Shiban Writer Frank Spotnitz Writer Peter Markle Director