Pulse

Riki Lindhome

Janelle

Ian Somerhalder

Dexter

Octavia Spencer

Landlady

Kristen Bell

Mattie

Brad Dourif

Thin Bookish Guy

Rick Gonzalez

Stone

Mike J. Regan

Phantom

Robert Clotworthy

Calvin

Christina Milian

Isabelle Fuentes

Ron Rifkin

Dr. Waterson

Zach Grenier

Professor Cardiff

Samm Levine

Tim

Julie Lancaster

Female Newscaster (uncredited)

Jonathan Tucker

Josh

Joseph Gatt

Dark Figure

Kel O'Neill

Douglas Zieglar

John Burke

Newscaster

Steve Tom

Male Newscaster #2

Christine Barger

Goth Girl

Di Quon

Christina

Moira Price

Sarah

Tate Hanyok

Cafe Girl (uncredited)

Grant George

U.S. Army Emergency Broadcaster

Jim Sonzero

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