Ben Kingsley
Xavier Fitch
Michael Madsen
Preston Lennox
Marg Helgenberger
Dr. Laura Baker
Alfred Molina
Dr. Stephen Arden
Forest Whitaker
Dan Smithson, Empath
Michelle Williams
Young Sil
Jordan Lund
Aide
Herta Ware
Mrs. Morris
William Utay
Colleague
Don Fischer
Aide
Scott McKenna
Train Hobo
Virginia Morris
Mother
Jayne Luke
Snack Shop Clerk
David K. Schroeder
German Tourist
David Jensen
Conductor
Esther Scott
Female Conductor
Shirley Prestia
Victoria Roth, Ph.D.
David Selburg
Government Man
Melissa Bickerton
Fitch's Secretary
Lucy Rodriguez
Wedding Dress Saleswoman
Scott Sproule
Team Driver
Stogie Kenyatta
Cop
Gary Bullock
Motel Clerk
Susan Hauser
Lab Worker
William Bumiller
Club Bouncer
Caroline Barclay
Drunken Girl
Matthew Ashford
Guy in Club
Anthony Guidera
Robbie, Guy Picking Up Sil
Sara Lise
Screaming Woman
Whip Hubley
John Carey
Patricia Belcher
Hospital Admittance Clerk
Richard Fancy
Hospital Doctor
Leslie Ishii
Hospital Nurse
Marliese Schneider
Abducted Woman
Robert Mendelson
Homeless Man
Pamela Cook
Commercial Model
Lisa Liberati
Bathroom Bimbo
Ed Stone
Waiter
Dendrie Taylor
Marie
Kurtis Burow
Baby Boy
Dana Hee
Creature Performer
Frank Welker
Alien Sil (voice)
Justin Armao
Bystander (uncredited)
Jellybean Benítez
Club DJ (uncredited)
Greg Bronson
Special Forces (uncredited)
Jimmy Chunga
Commando (uncredited)
James Ent
Lt. Steele (uncredited)
Roman Güttinger
Doctor (uncredited)
Christopher Ivins
Soldier (uncredited)
Zak Knutson
Club Doorman (uncredited)
Coati Mundi
Conga Player (uncredited)
Jason Newell
Special Forces (uncredited)