David Duchovny FBI Special Agent Fox Mulder Actor Gillian Anderson FBI Special Agent Dana Scully Actor Daniel Benzali Colonel Wharton Guest Star Kevin Conway Private McAlpin Guest Star Katya Gardner Robin Guest Star Bruce A. Young Pierre Beauvais Guest Star Jamil Walker Smith Chester Bonaparte Guest Star Steven Williams Mr. X Guest Star Matt Hill Private Harry Dunham Guest Star Roger Cross Private Kittel Guest Star Callum Keith Rennie Cemetery Groundskeeper Guest Star Peter Kelamis Lt. Foyle Guest Star Adrien Malebranche Skinny Man Guest Star Howard Gordon Writer Rob Bowman Director