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