David Duchovny
Agent Fox Mulder
Acting
Gillian Anderson
Agent Dana Scully
Acting
Mitch Pileggi
Assistant Director Walter Skinner
Acting
William B. Davis
The Cigarette-Smoking Man
Acting
John Neville
The Well-Manicured Man
Acting
Martin Landau
Kurtzweil
Acting
Jeffrey DeMunn
Bronschweig
Acting
Tom Braidwood
Frohike
Acting
Blythe Danner
Cassidy
Acting
Terry O'Quinn
Michaud
Acting
Dean Haglund
Langly
Acting
Bruce Harwood
Byers
Acting
Armin Mueller-Stahl
Strughold
Acting
Lucas Black
Stevie
Acting
Christopher Fennell
2nd Boy
Acting
Cody Newton
3rd Boy
Acting
Blake Stokes
4th Boy
Acting
Don S. Williams
Group Elder
Acting
George Murdock
2nd Elder
Acting
Michael Shamus Wiles
Black-Haired Man
Acting
Darrell Davis
Primitive #1
Crew
Carrick O'Quinn
Primitive #2
Crew
Tom Woodruff Jr.
Creature #1
Acting
Greg Ballora
Creature #2
Acting
Ted King
FBI Agent on Roof
Acting
Luis Beckford
FBI Agent
Acting
Steve Rankin
Field Agent
Acting
Gary Grubbs
Fire Captain Cooles
Acting
Steven M. Gagnon
Last Agent Out
Acting
Larry Joshua
DC Cop
Acting
Glendon Rich
DC Cop #2
Acting
Gunther Jenson
Security Guard
Acting
Scott Alan Smith
Technician
Acting
Ian Ruskin
Well-Manicured Man's Valet
Acting
Paul Welterlen
Control Room Operator
Acting
Joel Traywick
Young Naval Guard
Acting
Milton Johns
British Valet
Acting
Michael Krawic
2nd Paramedic
Acting
Larry Rippenkroeger
Towncar Driver
Crew
Josh McLaglen
Buzz Mihoe
Directing
Randy Hall
Windbreakered Agent
Crew
T.C. Badalato
Fireman
Acting
Amine Zary
Tunisian
Acting
David Paris
Pilot
Crew
Vanessa Morley
Young Samantha Mulder (archive footage)
Acting
Jason Beghe
FBI Man at Bomb Site (uncredited)
Acting
Glenne Headly
Barmaid (uncredited)
Acting