Impostor
A top-secret government weapons designer is arrested by a clandestine government organization on suspicion of being a clone created by the hostile alien race wanting to take over Earth.
Gary Sinise
Spencer Olham
Madeleine Stowe
Maya Olham
Mekhi Phifer
Cale
Vincent D'Onofrio
Hathaway
Tony Shalhoub
Nelson Gittes
Tim Guinee
Dr. Carone
Gary Dourdan
Capt. Burke
Lindsay Crouse
Chancellor
Elizabeth Peña
Midwife (as Elizabeth Pena)
Jason Beck
Gang Boy #2
Judy Jean Berns
Disgruntled Woman
Veena Bidasha
Frowning Nurse
Ellen Bradley
Nursing Mother
Shane Brolly
Lt. Burrows
Golden Brooks
Cale's Sister
Brian Brophy
Military Official
Burt Bulos
Newscaster
Scott Burkholder
Jack Stoller
Morty Coyle
Kissing Couple Man
Yvette Ocampo
Kissing Couple Woman (as Yvette Ocampo Coyle)
Cristos
Trooper #2
Una Damon
Local Newscaster
John Gatins
Patient-Soldier
Erica Gimpel
Newscaster #1
Bayani Ison
Squad Leader
Arly Jover
Newscaster #2
Elizabeth Kate
Maya Lookalike
JoNell Kennedy
Screaming Nurse (as Jonell Kennedy)
Ted King
RMR Operator
Rachel Luttrell
Scan Room Nurse
Malea McGuinness
Screaming Nurse
Ivana Miličević
Gang Girl
Diane Mizota
Receptionist
Melinda Renna
Reporter (as Melinda Ramos)
Adam Rodriguez
Trooper #1
Shannon Saint Ryan
Zoner
Kimberly Scott
Comms Officer
McCanna Anthony Sinise
Young Spence (as Mac Sinise)
Giovanni Sirchia
Trooper #3
Maury Sterling
Comms Tech
Julie Vitz
Typox Child
Tracey Walter
Mr. Siegel
Rosalind Chao
Newscaster (uncredited)
Clarence Williams III
Secretary of Defense (uncredited)
D-Teflon
ESA Soldier (uncredited)
Tim Walsh
Arrested Engineer
Dwayne Wycoff
ESA Soldier
Phil Hawn
Project Engineer (uncredited)
Connie Nielsen
Newscaster (uncredited)
Marty Katz
Producer
Gary Sinise
Producer
Caroline Case
Screenplay
Ehren Kruger
Screenplay
Scott Rosenberg
Adaptation
Gary Fleder
Director
Armen Minasian
Editor
Gary Fleder
Producer
Bob Ducsay
Editor
Daniel Lupi
Producer
David Twohy
Screenplay
Mark Isham
Original Music Composer
Robert Elswit
Director of Photography
Jossamber Stevens
Associate Producer
Ruth Hasty
Post Production Supervisor
Kevin J. Cozen
Art Direction
John Papsidera
Casting Director
Heidi Levitt
Casting Director
Nelson Coates
Production Design
George Murphy
Visual Effects Supervisor
Jeff Olson
Visual Effects Producer
Anne D. McCulley
Set Decoration
Mark Mangini
Supervising Sound Editor
Eric Lindemann
Supervising Sound Editor
Audrey L. Anzures
Key Hair Stylist
Todd Masters
Makeup Effects Designer
Ashlee Petersen
Makeup Department Head
Michelle Vittone
Key Makeup Artist
Clay Pinney
Special Effects Coordinator
Kathryn Blondell
Hair Department Head
Abigail Murray
Costume Design
Philip K. Dick
Short Story
Brett Paton
Animation
Andy Cheng
Stunts
Pat Romano
Stunts
Craig Lyn
CG Artist
Nancy Young
Stunts
Terry Leonard
Stunt Coordinator
Hugh Aodh O'Brien
Stunts
Chuck Picerni Jr.
Stunts
Charlie Picerni
Stunts
Walter Scott
Stunts
Erik Stabenau
Stunt Double
David Witz
Line Producer
Michael Phillips
Executive Producer
Harvey Weinstein
Co-Executive Producer
Andrew Rona
Co-Producer
Cary Granat
Co-Producer
Michael Zoumas
Co-Producer
Bob Weinstein
Co-Executive Producer
Bruce Paul Barbour
Stunts
Rick Seaman
Stunts
Phil Culotta
Stunts
Jason Sweers
Graphic Designer
William Washington
Stunts
Todd Masters
Makeup Designer
Hal Burton
Stunts
Deborah Habberstad
Stunts
Jack Carpenter
Stunts
Irving E. Lewis
Stunts
James Lew
Stunts
Sammy Maloof
Stunts
Cheryl Lawson
Stunts
John Rottger
Stunts
Danny Wong
Stunts
April Weeden
Stunts
Mark Hicks
Stunt Double
Marguerite Happy
Stunts
Steven D. Ito
Stunts
Steve Boyles
Stunts
Tom Bruggemann
Stunts
Elle Alexander
Stunts
Bobby Aldridge
Stunts
Kim Robert Koscki
Stunts
Janie Liszewski
Stunts
Tom McComas
Stunts
Cazimir Milostan
Stunts
Tim Warner
Stunts
Aaron Walters
Stunts
Mike Watson
Stunts
Rick Bota
Second Unit Director of Photography
David Crone
"B" Camera Operator
James Plannette
Gaffer
Paul C. Babin
Camera Operator
Pat E. Johnson
Fight Choreographer