President James Dale/Art Land

Jack Nicholson

First Lady Marsha Dale

Glenn Close

Barbara Land

Annette Bening

Professor Donald Kessler

Pierce Brosnan

Press Secretary Jerry Ross

Martin Short

Rude Gambler

Danny DeVito

Nathalie Lake

Sarah Jessica Parker

Jason Stone

Michael J. Fox

General Decker

Rod Steiger

Richie Norris

Lukas Haas

Tom Jones

Tom Jones

Taffy Dale

Natalie Portman

Byron Williams

Jim Brown

Martian Girl

Lisa Marie

Grandma Florence Norris

Sylvia Sidney

General Casey

Paul Winfield

Sharona

Christina Applegate

Louise Williams

Pam Grier

Richie's Dad

Joe Don Baker

Billy Glenn Norris

Jack Black

Cindy

Janice Rivera

Cedric

Ray J.

Neville Williams

Brandon Hammond

Sue Ann Norris

O-Lan Jones

Mitch, Secret Service Agent

Brian Haley

Dr. Zeigler

Jerzy Skolimowski

White House Tour Guide

Timi Prulhiere

Maurice, the French President

Barbet Schroeder

Mr. Lee

Chi Hoang Cai

Hillbilly

Tommy Bush

Decorator

Joseph Maher

Nun #1

Gloria M. Malgarini

Nun #2

Betty Bunch

Nun #3

Gloria Hoffmann

Corporate Guy

Willie Garson

GNN Boss

John Roselius

GNN Reporter #1

Michael Reilly Burke

GNN Reporter #2

Valerie Wildman

GNN Reporter #3

Richard Irving

Newscaster

Jonathan Emerson

Hooker

Tamara Curry

Hooker #2

Rebecca Broussard

Hooker #1

Tamara 'Gingir' Curry

Casino Manager

Vinny Argiro

TV Director

Steve Valentine

Female Journalist

Coco Leigh

NASA Technician

Jeffrey King

Hispanic Colonel

Enrique Castillo

2nd Colonel

Don Lamoth

Stranger #1

C. Wayne Owens

Stranger

Joseph Patrick Moynihan

Colonel

Roger Peterson

Stranger #2

Joseph Moynihan

Speaker of the House

John Finnegan

Morose Old Guy

Ed Lambert

Speaker of the House

John P. Finnegan

Incredibly Old Guy

John Gray

Lab Technician

Gregg Daniel

Doctor #1

J. Kenneth Campbell

Doctor #2

Jeanne Mori

Texan Investor

Rance Howard

Saudi Investor

Richard Assad

Elderly Woman Playing Slots

Velletta Carlson

Trailer Lover

Kevin Mangan

Hispanic Woman

Rebeca Silva

Hippie

Josh Weinstein

White House Waiter

Juian Barnes

Hippie

Josh Philip Weinstein

White House Photographer

Ken Thomas

White House Waiter

Julian Barnes

Tom Jones Backup Singer

Darelle Porter Holden

Tom Jones Backup Singer

Christi Black

Tom Jones Backup Singer

Sharon Hendrix

Poppy

Poppy

Various Martians (voice)

Frank Welker