David DuchovnyFox Mulder / Regisseur / Schrijver Gillian AndersonDana Scully / Regisseur / Schrijver Mitch PileggiWalter Skinner William B. DavisCigarette Smoking Man / Schrijver Robert PatrickJohn Doggett Tom BraidwoodMelvin Frohike / First Assistant Director Bruce HarwoodJohn Fitzgerald Byers Dean HaglundRichard 'Ringo' Langly Annabeth GishMonica Reyes James Pickens Jr.Alvin Kersh Sheila LarkenMargaret Scully Chris OwensJeffrey Spender Laurie HoldenMarita Covarrubias Jerry HardinDeep Throat - Ronald Rebecca ToolanTeena Mulder Brian ThompsonAlien Bounty Hunter Brendan BeiserAgent Pendrell John NevilleWell-Manicured Man Mimi RogersAgent Diana Fowley Peter DonatWilliam Mulder Morris PanychGray Haired Man John FinnMichael Kritschgau Zachary AnsleyBilly Miles Kirk B.R. WollerAgent Gene Crane Adam BaldwinKnowle Rohrer Arlene PileggiSkinner's Assistant William MacDonaldOfficer Trott Doug AbrahamsPaul Vitaris Charles CioffiSection Chief Scott Blevins Floyd 'Red Crow' WestermanAlbert Hosteen Michael McKeanMorris Fletcher Veronica CartwrightCassandra Spender Megan LeitchSamantha Mulder Pat SkipperBill Scully Jr. Jeff GulkaGibson Andrew Praise Mitchell KostermanDetective Horton Andrew JohnstonAgent Barry Weiss Campbell LaneSenator Romine Christine WillesKaren Kosseff Chilton CraneSharon Graffia Ken Camroux-TaylorSenior Agent Peter KelamisSecond Husband Larry MusserDenny Markham Gillian BarberPenny Northern Vanessa MorleySamantha Mulder Gordon TippleJoe Crandall David FredericksThe Director Paul Anthony McLeanSpecial Agent Kautz Michael David SimmsSenior FBI Agent Eric BrekerAmbulance Driver (uncredited) Melinda McGrawMelissa Scully Roy ThinnesJeremiah Smith Sarah KoskoffTheresa Nemman John Pyper-FergusonDet. John Kresge Warren SweeneyDr. Harriman Arnie WaltersFather McCue Dean AylesworthYoung Bill Mulder Jenny-Lynn HutchesonPolly Turner Colin CunninghamDr. Stroman Barry W. LevyDr. Vitagliano Brent StaitTimothy Mayhew Marc BaurMatlock (uncredited) P. Lynn JohnsonDeborah Brown Jerry SchramLarold Rebhun Timothy WebberDr. Paul Farraday Stephen E. MillerCoroner Truitt Alf HumphreysDr. Pomerantz Lauren AmbroseAgent Einstein Barbara HersheyErika Price Wayne AlexanderA.D. Arnold Robin MossleyDr. Vance Randolph Sean CampbellOfficer Sean Keith ArbuthnotMr. Chuckleteeth Anthony HarrisonFBI Agent Riggins David James LewisYoung Agent Harrison CoeDave the Butcher Michael PuttonenDr. Pilsson Karin KonovalMadame Zelma Don ThompsonLt. Col. Victor Stans Kevin McNultyAgent Fuller Carrie Cain-SparksTrain Station Clerk (uncredited) Dmitry ChepovetskyLt. Harper Jim JansenDr. Heitz Werber Raymond J. BarrySenator Richard Matheson Doug HutchisonEugene Victor Tooms Steve RailsbackDuane Barry Nick ChinlundDonald Addie Pfaster Fritz WeaverSenator Albert Sorenson Signy ColemanSusanne Modeski Jolie JenkinsFBI Agent Leyla Harrison Tyler BinkleyTerry Fletcher Lucy LawlessShannon McMahon Tom O'BrienSgt. Louis Frisch Leon RussomDetective Miles Darren McGavinAgent Arthur Dales Megan CorlettoAmber-Lynn LaPierre Michael B. SilverHoward Grodin Stephen MendelDark Suited Man #2 Dara HollingsworthChristine Fletcher Fredric LehneYoung Arthur Dales Steven AndersonDr. James Parenti Kristen ClokeWendy (voice) Greg MichaelsScott Garrett Paul McGillionFBI Metallurgical Expert (uncredited) Leslie CarlsonDr. Troisky Michael MacRaeAugust Bremer Christine FirkinsThea Sprecher Donnelly RhodesJim Parker Myles FergusonBoy in the Bus (uncredited) Callum Keith RennieCemetery Groundskeeper David KayeDoctor (uncredited) George TouliatosLarry Winter Patricia DahlquistSusan Chambliss Kate TwaDetective Kelly Ryan Denise CrosbyDr. Mary Speake Neal McDonoughRobert Comer Terry O'QuinnLt. Brian Tillman Eddie Kaye ThomasGary Edward Cory Stuart O'Connell1st SWAT Cop Rick DobranSergeant Armando Gonzales Peter LapresVideo Technician Brian MarkinsonGary Lambert Frank C. TurnerDr. Del Hakkie Kim MannersRegisseur / Producer Rob BowmanRegisseur / Producer Chris CarterRegisseur / Executive Producer / Teleplay R. W. GoodwinRegisseur / Schrijver Michael W. WatkinsRegisseur David DuchovnyFox Mulder / Regisseur / Schrijver Thomas J. WrightRegisseur Glen MorganRegisseur / Schrijver / Executive Producer William A. GrahamRegisseur James WongRegisseur / Schrijver Frank SpotnitzRegisseur / Co-Producer / Story Editor Vince GilliganRegisseur / Schrijver / Supervising Producer Jerrold FreedmanRegisseur John ShibanRegisseur / Schrijver James Whitmore Jr.Regisseur Dwight H. LittleRegisseur Michelle MacLarenRegisseur Brett DowlerRegisseur / Unit Manager Harry LongstreetRegisseur Michael KatlemanRegisseur Gillian AndersonDana Scully / Regisseur / Schrijver Darin MorganRegisseur / Schrijver James A. ContnerRegisseur Gabe RotterSchrijver / Co-Producer Alex GansaSchrijver / Supervising Producer Chris RuppenthalSchrijver Chip JohannessenSchrijver Kenneth H. HawryliwSchrijver Mat BeckSchrijver / Visual Effects Producer David GreenwaltSchrijver / Co-Executive Producer Steve De JarnattSchrijver William B. DavisCigarette Smoking Man / Schrijver Charles Grant CraigSchrijver Graeme MurrayProduction Design Shirley IngetSet Decoration John S. BartleyDirector Of Photography Jon JoffinSecond Unit Director Of Photography Joel RansomDirector Of Photography Cheri MontesantoMakeup Department Head Larry S. WellsCostume Design Clinton WayneSpecial Effects Key Makeup Artist Jenni GullettCostume Designer Gillian KieftCostume Supervisor Robert A. PandiniHairstylist Toby LindalaSpecial Effects Key Makeup Artist Caitlin GrovesSpecial Effects Makeup Artist Collin LeadlaySecond Assistant Director Helga UnguraitScript Supervisor Harry V. BringSecond Unit First Assistant Director Thomas MaAssistant Director / Production Assistant Tom BraidwoodMelvin Frohike / First Assistant Director Val StefoffFirst Assistant Director Patricia BarryScript Supervisor Morgan BeggsFirst Assistant Director Lara FoxScript Supervisor Mark D. CurrieSecond Assistant Director Wendy McleanScript Supervisor Jeff CahnAssistant Editor Heather MacDougallRedacteur Lynne WillinghamRedacteur Mark SnowOriginal Music Composer Michael T. WilliamsonSound Mixer Jeff CharbonneauMusic Editor Thierry J. CouturierSupervising Sound Editor Paul RabwinSupervising Producer Joseph Patrick FinnProduction Manager Susan CrawfordAssistant Production Coordinator Anita Meehan-TrueloveProduction Coordinator Randy StoneOriginal Casting R.W. GoodwinCo-Executive Producer Louisa GradnitzerLocation Manager Howard GordonCo-Executive Producer / Teleplay Stacy WiseCasting Associate Wendy O'BrienCasting Associate Todd PittsonLocation Manager Ron FrenchProduction Manager