Michael Madsen

Press Lenox

Natasha Henstridge

Eve

Marg Helgenberger

Dr. Laura Baker

Mykelti Williamson

Dennis Gamble

George Dzundza

Colonel Burgess

James Cromwell

Senator Ross

Sarah Wynter

Melissa

Justin Lazard

Patrick Ross

Myriam Cyr

Anne Sampas

Baxter Harris

Dr. Orinsky

Scott Morgan

Harry Sampas

Nancy La Scala

Debutante

Raquel Gardner

Debutante's Sister

Henderson Forsythe

Pentagon Personnel

Robert Hogan

Pentagon Personnel

Ted Sutton

Pentagon Personnel

Peter Boyle

Dr. Herman Cromwell

Gwendolyn Briley-Strand

Biologist

Valerie Karasek

Biologist

Jane Beard

Biologist

Nancy Young

Tether Console Guard

Beau James

Administrator

Tracy Metro

Prostitute

Irv Ziff

Seedy Motel Clerk

Melanie Bradshaw

Hooker

Felicia Deel

Stripper

Norman Aronovic

Medical Examiner

Kim Adams

Darlene

Dustin Turner

Kid at Supermarket

Susan Duvall

Woman Shopper

Andreas Kraemer

Male Teenager

Lauren Ziemski

Female Teenager

Donna Sacco

Woman in Crowd

Sondra Spriggs

Woman with Gamble

Kevin Grantz

Federal Agent

Zite Bidanie

Press Agent

Nat Benchley

Squad Leader

Mike Gartland

Cobra Pilot

John C. Pratt

Pilot

John T. Scanlon

Pilot

Herbert R. Schutt Jr.

Pilot

Evelyn Ebo

Gorgeous Nurse

Bill Boggs

Bill Boggs

Richard Belzer

U. S. President

Alesia Newman-Breen

News Announcer

Vincent Hammond

Patrick Creature Performer

Monica Staggs

Eve Creature Performer

Jason Sweet

Soldier

Michael Ahl

Air Force Special Forces

Sean Attebury

Soldier

Matthew Boylan

Heidi Burger

Dinner Guest

Tim Carr

Soldier

Gary Davis

Scientist

Frank Faucette

Marine

Sean Floyd

Orderly

Sarah Fragale

Nurse

Byron Henderson

Army Soldier

Liam Hughes

Paparazzi

Brian Harrison

Bar Patron (uncredited)

Julie Mabry

Hooker (uncredited)

Karl Otter

FBI agent on boat (uncredited)

Thomas Reid

Maj Gen USMC (uncredited)

Eric Alan Wendell

Air Force Special Forces (uncredited)

Page Dreher

Store Shopper

James Koons

Terrorist