Näyttelijät

• Jessica Alba — Sam Lockwood
• Hayden Christensen — Clay Beresford
• Terrence Howard — Dr. Jack Harper
• Lena Olin — Lilith Beresford
• Christopher McDonald — Dr. Larry Lupin
• Fisher Stevens
• Georgina Chapman — Penny Carver
• Sam Robards — Clayton Beresford Sr.
• David Harbour — Dracula
• Denis O'Hare — Financial News Analyst
• Poorna Jagannathan — Dr. Neyer's Nurse
• Charlie Hewson — Brian the Orderly
• Court Young — Officer Doherty
• Steven Hinkle — Young Clay
• Lee Wong — Mr. Waturi
• Arliss Howard — Dr. Jonathan Neyer