Will Smith
Capt. Steven Hiller
Bill Pullman
President Thomas J. Whitmore
Jeff Goldblum
David Levinson
Mary McDonnell
Marilyn Whitmore
Judd Hirsch
Julius Levinson
Robert Loggia
General William Grey
Randy Quaid
Russell Casse
Margaret Colin
Constance Spano
James Rebhorn
Albert Nimzicki
Harvey Fierstein
Marty Gilbert
Adam Baldwin
Major Mitchell
Brent Spiner
Dr. Brackish Okun
James Duval
Miguel
Vivica A. Fox
Jasmine Dubrow
Lisa Jakub
Alicia
Ross Bagley
Dylan
Mae Whitman
Patricia Whitmore
Bill Smitrovich
Captain Watson
Kiersten Warren
Tiffany
Harry Connick Jr.
Capt. Jimmy Wilder
Giuseppe Andrews
Troy
John Storey
Dr. Isaacs
Frank Novak
Teddy
Devon Gummersall
Philip
Leland Orser
Techy / Med Asst #1
Mirron E. Willis
Aide
Ross Lacy
Aide
David Pressman
Whitmore's Aide
Raphael Sbarge
Commander / Tech
Bobby Hosea
Commanding Officer
Dan Lauria
Commanding Officer
Steve Giannelli
Radar Tech
Eric Paskel
Radar Tech
Carlos Lacámara
Radar Operator
John Bennett Perry
Secret Serviceman
Tim Kelleher
Technician
Wayne Wilderson
Area 51 Technician
Jay Acovone
Area 51 Guard
Thom Barry
SETI Tech Two
Jana Marie Hupp
SETI Tech Three
Robert Pine
Chief of Staff
Paul LeClair
Co-Worker #5
David Channell
Secret Service Agent
John Capodice
Mario
Greg Collins
Military Aide
Derek Webster
Sky Crane Pilot
Mark Fite
Pilot
Levan Uchaneishvili
Russian Pilot
Kristof Konrad
Russian Pilot
Kevin Sifuentes
Tank Commander
Elston Ridgle
Soldier
Randy Oglesby
Mechanic
Barry Del Sherman
Street Preacher
Lyman Ward
Secret Service Guy
Anthony Crivello
Lincoln
Richard Speight Jr.
Ed
Joe Fowler
Reporter
Sharon Tay
Reporter
Peter J. Lucas
Russian Reporter
Yelena Danova
Russian Newscaster
Vanessa J. Wells
Newscaster
Jessika Cardinahl
German Video Newscaster
Wendy L. Walsh
Video Newscaster
Christine Devine
Video Newscaster
Mark Thompson
Video Newscaster
Kevin Cooney
Atlantic Air CINC
Rance Howard
Chaplain
Nelson Mashita
Japanese Tech
Sayed Badreya
Arab Pilot
Adam Tomei
Sailor
John Bradley
Lucas
Kimberly Beck
Housewife
Thomas F. Duffy
Lieutenant
Andrew Keegan
Older Boy
Jim Piddock
Reginald
John McLaughlin
Himself
Barry Nolan
Self
George Putnam
Self
Eric Michael Zee
Northridge Field Reporter
Pat Skipper
Redneck
Mike Monteleone
Butler
Malcolm Danare
Intellectual on Roof
Joyce Cohen
Kim Peters (Reporter)
Julie Moran
Entertainment Tonight Reporter
Gary A. Hecker
Alien Vocal Effects (voice)
Frank Welker
Special Vocal Effects (voice)
Erick Avari
