Robert Patrick
Doctor H.H. Greiss
Chace Crawford
Jacob Martin
Brandon T. Jackson
Dell Richards
Nicole Forester
Genevieve Martin
Milica Govich
Nurse Fletcher
Ricky Wayne
Detective Frazer
Jordan Trovillion
Garage Girl
Heather Fairbanks
Nurse (uncredited)
Amber Whelan
Mental Patient (uncredited)
Camille Bresie Cooke
Nurse Carter
Annie Kitral
Administrator
Anthony Bowden
Urban Explorer 1
Schuyler Whitesell
Urban Explorer 2
Josh Aspiranti
Familiar Orderly
Mark Rademacher
Garage Owner
Alan Cohen
Security Officer
Mary Jo Cuppone
Staff Doctor
Jim Porterfield
Past Security Officer
Dan John Miller
The Patient
Alastar Dimitrie
Student 1
Jeremy Pastoria
Young Scott
Jessica Ashley
Candy Striper
Sandro Rodriguez
Orderly 4
John Dickerson
Old Patient
Michael James Alexander
Orderly (uncredited)
Billie Rae Bates
Mental Patient (uncredited)
Mary C. Bliss
Mental Patient (uncredited)
Michael Stephen Bryant
Mental Patient (uncredited)
Michael Bugard
Mental Patient (uncredited)
Tiffany Burns
Nurse (uncredited)
Deb Fernandez
Nurse (uncredited)
Michael Haase
Firefighter (uncredited)
Laura Hanna
Mental Patient (uncredited)
Krystal Huffman
Mental Patient (uncredited)
Martin Klebba
Mental Patient (uncredited)
Thomas Lee
Medical Intern (uncredited)
Eric M. Myrick
Orderly (uncredited)
Rose Anne Nepa
Mental Patient (uncredited)
Wendy Peterson
Mental Patient (uncredited)
Manny Sandow
Orderly (uncredited)
George Seder
Firefighter (uncredited)
Dawn Turchin
Student (uncredited)