Elenco - Pulse
Kristen Bell
Mattie
Ian Somerhalder
Dexter
Christina Milian
Isabelle Fuentes
Rick Gonzalez
Stone
Jonathan Tucker
Josh
Samm Levine
Tim
Octavia Spencer
Landlady
Ron Rifkin
Dr. Waterson
Joseph Gatt
Dark Figure
Kel O'Neill
Douglas Zieglar
Zach Grenier
Professor Cardiff
Riki Lindhome
Janelle
John Burke
Newscaster
Mike J. Regan
Phantom
Steve Tom
Male Newscaster #2
Brad Dourif
Thin Bookish Guy
Christine Barger
Goth Girl
Di Quon
ChristinaMoira Price
Sarah
Robert Clotworthy
Calvin
Tate Hanyok
Cafe Girl (uncredited)
Julie Lancaster
Female Newscaster (uncredited)
Grant George
U.S. Army Emergency Broadcaster