David Duchovny FBI Special Agent Fox Mulder Actor Gillian Anderson FBI Special Agent Dana Scully Actor Mitch Pileggi Asst. Dir. Walter Skinner Actor Bruce Harwood John Fitzgerald Byers Guest Star Dean Haglund Richard "Ringo" Langly Guest Star Tom Braidwood Melvin Frohike Guest Star Patrick Keating Donald Gelman Guest Star Peter Williams Jackson Guest Star Rob Daprocida Bunny Guest Star Jerry Schram Boyce Guest Star Dan Weber Figgis Guest Star Kristin Lehman Esther Nairn, Invisigoth Guest Star Chris Carter Executive Producer William Gibson Writer Tom Maddox Writer Rob Bowman Director