Bruce Willis

Character: Harry S. Stamper

Billy Bob Thornton

Character: Dan Truman

Ben Affleck

Character: A.J. Frost

Liv Tyler

Character: Grace Stamper

Will Patton

Character: Chick

Steve Buscemi

Character: Rockhound

William Fichtner

Character: Colonel Willie Sharp

Owen Wilson

Character: Oscar

Michael Clarke Duncan

Character: Bear

Peter Stormare

Character: Lev Andropov

Ken Hudson Campbell

Character: Max

Jessica Steen

Character: Co-Pilot Jennifer Watts

Keith David

Character: General Kimsey

Chris Ellis

Character: Flight Director Clark

Jason Isaacs

Character: Ronald Quincy

Grayson McCouch

Character: Gruber

Clark Heathcliffe Brolly

Character: Noonan

Marshall R. Teague

Character: Colonel Davis

Anthony Guidera

Character: Co-Pilot Tucker

Greg Collins

Character: Halsey

J. Patrick McCormack

Character: General Boffer

Ian Quinn

Character: Astronaut Pete Shelby

Christopher J. Worret

Character: Operator #1

Adam C. Smith

Character: Operator #2

John Mahon

Character: Karl

Grace Zabriskie

Character: Dottie

K.C. Leomiti

Character: Samoan

Eddie Griffin

Character: Bike Messenger

Deborah Nishimura

Character: Client #1

Albert Wong

Character: Client #2

Jim Ishida

Character: Client #3

Stanley Anderson

Character: President

James Harper

Character: Admiral Kelso

Ellen Cleghorne

Character: Helga the Nurse

Udo Kier

Character: Psychologist

John Aylward

Character: Dr. Banks

Mark Curry

Character: Stu the Cabbie

Seiko Matsuda

Character: Asian Tourist - Female

Harry Humphries

Character: Chuck Jr.

Dyllan Christopher

Character: Tommy

Judith Hoag

Character: Denise

Sage Allen

Character: Max's Mom

Steven Ford

Character: Nuke Tech

Christian Clemenson

Character: Droning Guy

Andy Ryan

Character: Greenpeace Guy

Duke Valenti

Character: Roughneck #1

Michael Taliferro

Character: Roughneck #2

Billy Devlin

Character: Roughneck #3

Kathleen Matthews

Character: Newscaster #2

J.C. Hayward

Character: Newscaster #3

Andrew Glassman

Character: Newscaster #4

Shawnee Smith

Character: Redhead

Dwight Hicks

Character: FBI Agent #1

Odile Corso

Character: Geo Tech #1

Vic Manni

Character: Loanshark

Jim Maniaci

Character: Biker Customer

Layla Roberts

Character: Molly Mounds

Joe Allen

Character: Kennedy Launch

Bodhi Elfman

Character: Math Guy

Alexander Johnson

Character: Newscaster

Kathy Neff

Character: Reporter #1

Victor Vinson

Character: Sector Director

Joseph Patrick Kelly

Character: Marine #1

Peter White

Character: Secretary of Defense

Rudy Mettia

Character: G-Man

Frank Van Keeken

Character: NASA Planner #1

Frederick Weller

Character: NASA Tech

Jeff Austin

Character: NASA Tech

Googy Gress

Character: NASA Tech

Matt Malloy

Character: NASA Tech

H. Richard Greene

Character: NASA Tech

Brian Brophy

Character: NASA Tech

Peter Murnik

Character: NASA Tech

Brian Hayes Currie

Character: NASA Tech

Andy Milder

Character: NASA Tech

Michael Kaplan

Character: NASA Tech

Patrick Richwood

Character: Dr. Nerd

Brian Mulligan

Character: Dr. Nerd

John H. Johnson

Character: Pad Director

Charles Stewart

Character: Vacuum Chamber Tech

Scarlet Forge

Character: Young Grace

Michael Tuck

Character: American Newscaster

Patrick Lander

Character: British Newscaster

Anne Varèze

Character: French Newscaster

Fritz Mashimo

Character: Japanese Newscaster

Dina Morrone

Character: Italian Newscaster

Ruben Olague

Character: Spanish Newscaster

Wolfgang Muser

Character: German Newscaster

Jim Fitzpatrick

Character: NORAD Technician

Franky

Character: Dog / Little Richard

Charlton Heston

Character: Narration (voice)

Michael Bay

Character: NASA Scientist (uncredited)

Lawrence Tierney

Character: Eddie 'Gramp' Stamper (uncredited)

Mark Boone Junior

Character: New Yorker (uncredited)

Frank Silva

Character: Man (uncredited)