Captain Steven 'Eagle' Hiller
Will Smith
President Thomas J. Whitmore
Bill Pullman
David Levinson
Jeff Goldblum
First Lady Marilyn Whitmore
Mary McDonnell
Julius Levinson
Judd Hirsch
Constance Spano/Levinson
Margaret Colin
Russell Casse
Randy Quaid
U.S. Space Command General William Grey
Robert Loggia
Secretary of Defense Albert Nimzicki
James Rebhorn
Marty Gilbert
Harvey Fierstein
Major Mitchell
Adam Baldwin
Dr. Brackish Okun
Brent Spiner
Miguel Casse
James Duval
Jasmine Dubrow
Vivica A. Fox
Alicia Casse
Lisa Jakub
Dylan Dubrow
Ross Bagley
First Daughter Patricia Whitmore
Mae Whitman
Captain Watson
Bill Smitrovich
Tiffany
Kiersten Warren
Captain Jimmy 'Raven' Wilder
Harry Connick Jr.
Video Newscaster
Christine Devine
Troy
Giuseppe Andrews
Dr. Isaacs
John Storey
Teddy
Frank Novak
Philip
Devon Gummersall
Tech/Med. Asst. No. 1
Leland Orser
Aide
Mirron E. Willis
Aide
Ross Lacy
Whitmore's Aide
David Pressman
Tech/Med. Asst. No. 2
Vivian Palermo
Commander / Tech
Raphael Sbarge
Commanding Officer
Bobby Hosea
Commanding Officer
Dan Lauria
Radar Tech
Steve Giannell
Radar Tech
Steve Giannelli
Radar Tech
Eric Paskel
Radar Operator
Carlos LaCamara
Secret Serviceman
John Bennett Perry
Secret Serviceman
Troy Willis
Technician
Tim Kelleher
Area 51 Technician
Wayne Wilderson
Area 51 Guard
Jay Acovone
SETI Tech One
James Wong
SETI Tech Two
Thom Barry
SETI Tech Three
Jana Marie Hupp
Second Officer
Matt Pashkow
Chief of Staff
Robert Pine
Co-Worker No. 2
Marisa Morell
Co-Worker No. 3
Michael Winther
Co-Worker #2
Marisa Johnston
Co-Worker No. 4
Dexter Warren
Co-Worker No. 5
Paul LeClair
Co-Worker #4
Warren Dexter Beatty
Lt. Peterson
Capt. Michael 'Chewy' Vacca
Secret Service Agent
David Chanel
Lt. Peterson
Michael Vacca
Mario
John Capodice
Secret Service Agent
David Channell
Military Aide
Greg Collins
Sky Crane Pilot
Derek Webster
Pilot
Mark Fite
Pilot
Eric Neal Newman
Russian Pilot
Levani
Russian Pilot
Kristof Konrad
Tank Commander
Kevin Sifuentes
Russian Pilot
Kristof Konrad
Soldier
Elston Ridgle
Mechanic
Randy Oglesby
Mechanic
Jack Moore
Street Preacher
Barry Del Sherman
Secret Service Guy
Lyman Ward
Lincoln
Anthony Crivello
Ed
Richard Speight Jr.
Monica Soloway
Barbara Beck
Reporter
Joe Fowler
Reporter
Andrew Warne
Reporter
Sharon Tay
Reporter
Andrew Warner
Russian Reporter
Peter Jozef Lucas
Russian Newscaster
Yelena Danova
Korean Newscaster
Derek Kim
Newscaster
Vanessa J. Wells
Korean Newscaster
Johnny Kim
German Video Newscaster
Jessika Cardinahl
Video Newscaster
Gary W. Cruz
Video Newscaster
Ron Pitts
Video Newscaster
Wendy Walsh
Video Newscaster
Wendy L. Walsh
Video Newscaster
Mark Thompson
Video Newscaster
Jack Germond
Video Newscaster
Morton Kondracke
Rex Black / NY Newscaster
Ernie Anastos
Atlantic Air CINC
Kevin Cooney
Atlantic Air
Cinckevin Cooney
Chaplain
Rance Howard
Japanese Tech
Nelson Mashita
B-2 Pilot
Jeff Phillips
Arab Pilot
Sayed Badreya
Sailor
Adam Tomei
Lucas
John Bradley
Housewife
Kimberly Beck
Lieutenant
Thomas F. Duffy
Older Boy
Andrew Keegan
Thomson
Jon Matthews
Reginald
Jim Piddock
Self
Frederic W. Barnes
Herself
Eleanor Clift
Himself
Jerry Dunphy
Himself
Barry Nolan
Himself
John McLaughlin
Himself
George Putnam
Redneck
Pat Skipper
Woman on Roof
Lisa Star
Northridge Field Reporter
Eric Michael Zee
Intellectual on Roof
Malcolm Danare
Flagstaff News Anchor
Robin Groth
Farmer Kid
Carlos Lara
LAPD Helicopter Pilot
Richard Pachorek
Butler
Mike Monteleone
Elvis Fanatic
Lee Strauss
Special Vocal Effects
Frank Welker
Himself
Fred Barnes
Trucker on Roof
Arthur Brooks
Thief
Michael Moertl
Master C. P. O.
James J. Joyce
Kim Peters (Reporter)
Joyce Cohen
Entertainment Tonight Reporter
Julie Moran
Boomer
Deenie Dakota
Boomer
Dakota
Thomson
Jon Mathews
Alien Vocal Effects (voice)
Gary A. Hecker
Thief
Michael G. Moertl
Special Vocal Effects (voice)
Frank Welker