Bruce Willis
Harry S. Stamper
Billy Bob Thornton
Dan Truman
Ben Affleck
A.J. Frost
Liv Tyler
Grace Stamper
Will Patton
Chick
Steve Buscemi
Rockhound
William Fichtner
Colonel Willie Sharp
Owen Wilson
Oscar
Peter Stormare
Lev Andropov
Jessica Steen
Co-Pilot Jennifer Watts
Keith David
General Kimsey
Chris Ellis
Flight Director Clark
Jason Isaacs
Ronald Quincy
Grayson McCouch
Gruber
Clark Heathcliffe Brolly
Noonan
Marshall R. Teague
Colonel Davis
Anthony Guidera
Co-Pilot Tucker
Greg Collins
Halsey
J. Patrick McCormack
General Boffer
Ian Quinn
Astronaut Pete Shelby
Christopher J. Worret
Operator #1
Adam C. Smith
Operator #2
John Mahon
Karl
Grace Zabriskie
Dottie
K.C. Leomiti
Samoan
Eddie Griffin
Bike Messenger
Deborah Nishimura
Client #1
Albert Wong
Client #2
Jim Ishida
Client #3
Stanley Anderson
President
James Harper
Admiral Kelso
Ellen Cleghorne
Helga the Nurse
Udo Kier
Psychologist
John Aylward
Dr. Banks
Mark Curry
Stu the Cabbie
Seiko Matsuda
Asian Tourist - Female
Harry Humphries
Chuck Jr.
Dyllan Christopher
Tommy
Judith Hoag
Denise
Sage Allen
Max's Mom
Steven Ford
Nuke Tech
Christian Clemenson
Droning Guy
Andy Ryan
Greenpeace Guy
Duke Valenti
Roughneck #1
Michael Taliferro
Roughneck #2
Billy Devlin
Roughneck #3
Kathleen Matthews
Newscaster #2
J.C. Hayward
Newscaster #3
Andrew Glassman
Newscaster #4
Shawnee Smith
Redhead
Dwight Hicks
FBI Agent #1
Odile Corso
Geo Tech #1
Vic Manni
Loanshark
Jim Maniaci
Biker Customer
Layla Roberts
Molly Mounds
Joe Allen
Kennedy Launch
Bodhi Elfman
Math Guy
Alexander Johnson
Newscaster
Kathy Neff
Reporter #1
Victor Vinson
Sector Director
Joseph Patrick Kelly
Marine #1
Peter White
Secretary of Defense
Rudy Mettia
G-Man
Frank Van Keeken
NASA Planner #1
Frederick Weller
NASA Tech
Jeff Austin
NASA Tech
Googy Gress
NASA Tech
Matt Malloy
NASA Tech
H. Richard Greene
NASA Tech
Brian Brophy
NASA Tech
Peter Murnik
NASA Tech
Brian Hayes Currie
NASA Tech
Andy Milder
NASA Tech
Michael Kaplan
NASA Tech
Patrick Richwood
Dr. Nerd
Brian Mulligan
Dr. Nerd
John H. Johnson
Pad Director
Charles Stewart
Vacuum Chamber Tech
Scarlet Forge
Young Grace
Michael Tuck
American Newscaster
Patrick Lander
British Newscaster
Fritz Mashimo
Japanese Newscaster
Dina Morrone
Italian Newscaster
Ruben Olague
Spanish Newscaster
Wolfgang Muser
German Newscaster
Jim Fitzpatrick
NORAD Technician
Franky
Dog / Little Richard
Charlton Heston
Narration (voice)
Michael Bay
NASA Scientist (uncredited)
Lawrence Tierney
Eddie 'Gramp' Stamper (uncredited)
Mark Boone Junior
New Yorker (uncredited)