David Duchovny FBI Special Agent Fox Mulder Actor Gillian Anderson FBI Special Agent Dana Scully Actor Mitch Pileggi Asst. Dir. Walter Skinner Guest Star Tom Noonan John Lee Roche Guest Star Rebecca Toolan Teena Mulder Guest Star Byrne Piven Robert Sparks Guest Star Vanessa Morley Samantha Mulder Guest Star Sonia Norris Marleen Ross Guest Star Carly McKillip Caitlin Ross Guest Star Paul Bittante Local Cop Guest Star John Dadey Local Agent Guest Star Chris Carter Executive Producer Vince Gilligan Writer Rob Bowman Director