Directed by
Roland Emmerich

Writing credits (WGA)
Dean Devlin (written by) &
Roland Emmerich (written by)

Cast
Bill Pullman - President Thomas J. Whitmore
Mary McDonnell - First Lady Marilyn Whitmore
Jeff Goldblum - David Levinson
Judd Hirsch - Julius Levinson
Margaret Colin - Constance Spano
Will Smith - Captain Steven 'Steve' Hiller
Vivica A. Fox - Jasmine Dubrow
Randy Quaid - Russell Casse
Robert Loggia - General William M. Grey
James Rebhorn - Albert Nimziki
Harvey Fierstein - Marty Gilbert
Adam Baldwin - Major Mitchell
Brent Spiner - Dr. Brackish Okun
James Duval - Miguel Casse
Lisa Jakub - Alicia Casse
Giuseppe Andrews - Troy Casse
Ross Bagley - Dylan Dubrow
Bill Smitrovich - Captain Watson
Mae Whitman - Patricia Whitmore
Harry Connick Jr. - Captain Jimmy Wilder
Kiersten Warren - Tiffany
John Storey - Dr. Isaacs
Frank Novak - Teddy
Devon Gummersall - Philip
Leland Orser - Tech / Medical Assistant #1
Mirron E. Willis - Aide
Ross Lacy - Aide
David Pressman - Alex, Aide to President Whitmore
Vivian Palermo - Tech / Medical Assistant #2
Raphael Sbarge - Commander / Tech
Bobby Hosea - Major Danowitz
Dan Lauria - Commanding Officer
Steve Giannelli - Radar Tech
Eric Paskel - Radar Tech
Carlos Lacamara - Radar Operator (as Carlos LaCamara)
John Bennett Perry - Secret Service Agent
Troy Willis - Secret Service Agent
Tim Kelleher - Technician
Wayne Wilderson - Area 51 Technician
Jay Acovone - Area 51 Guard
James Wong - SETI Technician #1
Thom Barry - SETI Technician #2
Jana Marie Hupp - SETI Technician #3
Matt Pashkow - Officer #2
Robert Pine - Chief of Staff Glenn Parness
Marisa Johnston - Co-Worker #2 (as Marisa Morell)
Michael Winther - Co-Worker #3
Dexter Warren - Co-Worker #4
Paul LeClair - Co-Worker #5
Michael Vacca - Lieutenant Peterson (as Capt. Michael 'Chewy' Vacca)
David Chanel - Secret Service Agent
John Capodice - Mario
Greg Collins - Military Aide
Derek Webster - Sky Crane Pilot
Mark Fite - Pilot
Eric Neal Newman - Pilot
Levani Outchaneichvili - Russian Pilot (as Levani)
Kristof Konrad - Russian Pilot
Kevin Sifuentes - Tank Commander
Elston Ridgle - Soldier
Randy Oglesby - Mike Dodge
Jack Moore - Stoney Jackson
Barry Del Sherman - Street Preacher
Lyman Ward - Secret Service Agent
Anthony Crivello - Lincoln
Richard Speight Jr. - Ed
Barbara Beck - Monica Soloway
Joe Fowler - Reporter
Andrew Warne - Reporter
Sharon Tay - Reporter
Peter J. Lucas - Russian Reporter (as Peter Jozef Lucas)
Yelena Danova - Russian Newscaster
Johnny Kim - Korean Newscaster (as Derek Kim)
Vanessa J. Wells - Newscaster
Jessika Cardinahl - German Video Newscaster (scenes deleted)
Gary W. Cruz - Video Newscaster
Ron Pitts - Video Newscaster
Wendy L. Walsh - Herself
Christine Devine - Video Newscaster
Mark Thompson - Video Newscaster
Ernie Anastos - Rex Black, New York Newscaster
Kevin Cooney - Atlantic Air CINC
Rance Howard - Chaplain
Nelson Mashita - Japanese Tech
Jeff Phillips - B-2 Pilot
Sayed Badreya - Arab Pilot
Adam Tomei - Sailor
John Bradley - Lucas
Kimberly Beck - Housewife
Thomas F. Duffy - Lieutenant
Andrew Keegan - Older Boy
Jon Shear - Thomson (as Jon Matthews)
Jim Piddock - Reginald
Frederic W. Barnes - Himself (as Fred Barnes)
Eleanor Clift - Herself
Jerry Dunphy - Himself
Jack Germond - Himself
Morton Kondracke - Himself
John McLaughlin - Himself
Barry Nolan - Himself
George Putnam - Himself
Eric Michael Zee - Northridge Field Reporter
Pat Skipper - Redneck
Carlos Lara - Farmer Kid
Mike Monteleone - Butler
Lee Strauss - Elvis Fanatic
Lisa Star - Woman on Roof
Malcolm Danare - Intellectual on Roof
Arthur Brooks - Trucker on Roof
Michael Moertl - Thief (as Michael G. Moertl)
James J. Joyce - Master CPO
Joyce Cohen - Kim Peters
Julie Moran - Herself - 'Entertainment Tonight' Reporter
Robin Groth - Flagstaff News Anchor
Richard Pachorek - LAPD Helicopter Pilot
Gary A. Hecker - Alien Vocal Effects (voice) (as Gary Hecker)
Frank Welker - Special Vocal Effects (voice)
Jonathan Adler - Secret Service Agent (uncredited)
Erick Avari - SETI Chief (uncredited)
Dean Devlin - Eagle 2 Pilot (uncredited)
Volker Engel - Man in Office (uncredited)
Bob Friend - Himself - 'Sky News' Anchorman (uncredited)
Jeffrey Gold - German Fighter Pilot (uncredited)
Taqi Hasan - Iraqi Fighter Pilot (uncredited)
Lincoln D. Hiatt - Colin Barclay (uncredited)
Scott McKinley - Joint Chiefs of Staff (uncredited)
Bryan D. Moss - Israeli Fighter Pilot (uncredited)
Roy Newton - Pilot (uncredited)
Gary Pike - Helicopter Passenger (uncredited)
Nectar Rose - Stripper (uncredited)
Bonnie Silco - Bride (uncredited)
Tadao Tomomatsu - Big Hat Guy on Tower (uncredited)
Michael A. Valenzano - Young Pilot (uncredited)
Tracey Walter - Area 51 Lab Technician (uncredited)