Näitlejad

• Sam Worthington — Ray Monroe
• Lily Rabe — Joanne Monroe
• Stephen Tobolowsky — Dr. Berthram
• Adjoa Andoh — Dr. Isaacs
• Lucy Capri — Peri Monroe
• Stephanie Sy — Nurse Anne
• Lauren Cochrane — Officer Childes
• Chad Bruce — Jeff
• Will Woytowich — State Trooper
• Chris Sigurdson — Dr. Lucado
• Ernesto Griffith — Ward Intern / Janitor