Cast

• David Duchovny Special Agent Fox Mulder
• Gillian Anderson Special Agent Dana Scully
• John Neville The Well-Manicured Man
• William B. Davis Cigarette Smoking Man / CGB Spender
• Martin Landau Alvin Kurtzweil, MD
• Mitch Pileggi Assistant Director Walter Skinner
• Jeffrey DeMunn Ben Bronschweig, M.D. (as Jeffrey De Munn)
• Blythe Danner Jana Cassidy
• Terry O'Quinn Darius Michaud
• Armin Mueller-Stahl Conrad Strughold
• Lucas Black Stevie
• Christopher Fennell Boy #2 (as Chris Fennell)
• Cody Newton Boy #3
• Blake Stokes Boy #4
• Dean Haglund Richard 'Ringo' Langly
• Bruce Harwood John Fitzgerald Byers
• Tom Braidwood Melvin Frohike
• Don S. Williams First Elder
• George Murdock Second Elder
• Michael Shamus Wiles Black-Haired Man
• Craig Davis Primitive #1
• Carrick O'Quinn Primitive #2
• Tom Woodruff Jr. Creature #1
• Greg Ballora Creature #2 (as Gregory B. Ballora)
• Ted King FBI Agent on Roof (as T.W. King)
• Luis Beckford FBI Agent
• Steve Rankin Field Agent
• Gary Grubbs Fire Captain Miles Cooles
• Steven M. Gagnon Last Agent Out
• Larry Joshua D.C. Cop #1 (as Lawrence Joshua)
• Glendon Rich Police Investigator
• Gunther Jenson Security Guard (as Gunther Jensen)
• Scott Alan Smith Technician (as Scott Smith)
• Ian Ruskin Well-Manicured Man's Valet
• Paul Welterlen Control Room Operator
• Joel Traywick Young Naval Guard
• Milton Johns British Valet
• Paul Tuerpe Paramedic #1 (as Paul Tuerpé)
• Michael Krawic Paramedic #2 (as Michael A. Krawic)
• Larry Rippenkroeger Towncar Driver
• Josh McLaglen Buzz Mihoe
• Randy Hall Windbreakered Agent
• T.C. Badalato Fireman
• Amine Zary Tunisian
• David Paris Pilot (as David W. Paris)
• Jason Beghe FBI Man at Bomb Site (uncredited)
• Glenne Headly Barmaid (uncredited)
• Vanessa Morley Young Samantha Mulder (uncredited)
• Mitch Toles Security Guard #2 (uncredited)
• Marcus Turner Young Fox Mulder (uncredited)

Writers

• Chris Carter
• Frank Spotnitz
• Chris Carter

Producers

• Mary Astadourian
• Chris Carter
• Lata Ryan
• Daniel Sackheim
• Bruce Devan