Species

Natasha Henstridge

As Sil

Ben Kingsley

As Xavier Fitch

Michael Madsen

As Preston Lennox

Marg Helgenberger

As Dr. Laura Baker

Alfred Molina

As Dr. Stephen Arden

Forest Whitaker

As Dan Smithson, Empath

Michelle Williams

As Young Sil

Jordan Lund

As Aide

Herta Ware

As Mrs. Morris

William Utay

As Colleague

Don Fischer

As Aide

Scott McKenna

As Train Hobo

Virginia Morris

As Mother

Jayne Luke

As Snack Shop Clerk

David K. Schroeder

As German Tourist

David Jensen

As Conductor

Esther Scott

As Female Conductor

Shirley Prestia

As Victoria Roth, Ph.D.

David Selburg

As Government Man

Melissa Bickerton

As Fitch's Secretary

Lucy Rodriguez

As Wedding Dress Saleswoman

Scott Sproule

As Team Driver

Stogie Kenyatta

As Cop

Gary Bullock

As Motel Clerk

Susan Hauser

As Lab Worker

William Bumiller

As Club Bouncer

Caroline Barclay

As Drunken Girl

Matthew Ashford

As Guy in Club

Anthony Guidera

As Robbie, Guy Picking Up Sil

Sara Lise

As Screaming Woman

Whip Hubley

As John Carey

Patricia Belcher

As Hospital Admittance Clerk

Richard Fancy

As Hospital Doctor

Leslie Ishii

As Hospital Nurse

Marliese Schneider

As Abducted Woman

Robert Mendelson

As Homeless Man

Pamela Cook

As Commercial Model

Lisa Liberati

As Bathroom Bimbo

Ed Stone

As Waiter

Dendrie Taylor

As Marie

Kurtis Burow

As Baby Boy

Dana Hee

As Creature Performer

Frank Welker

As Alien Sil (voice)

Justin Armao

As Bystander (uncredited)

Jellybean Benítez

As Club DJ (uncredited)

Greg Bronson

As Special Forces (uncredited)

Jimmy Chunga

As Commando (uncredited)

James Ent

As Lt. Steele (uncredited)

Roman Güttinger

As Doctor (uncredited)

Christopher Ivins

As Soldier (uncredited)

Zak Knutson

As Club Doorman (uncredited)

Coati Mundi

As Conga Player (uncredited)

Jason Newell

As Special Forces (uncredited)