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

Michael Clarke Duncan

Bear

Peter Stormare

Lev Andropov

Ken Hudson Campbell

Max

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

Anne Varèze

French 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)

Frank Silva

Man (uncredited)