Elliot Moore
Alma Moore
Julian
Jess
Mrs. Jones
Josh
Jared
Nursery Owner
Private Auster
Principal
Nursery Owner's Wife
Joey (voice)
Woman Reading on Bench with Hair Pin
Woman Reading on Bench
Construction Foreman
Construction Crew Member
Jake
Train Conductor
Woman on Cell Phone
Teenage Girl in Jeep
French Bicyclist
French Bicyclist's Friend
Medical Correspondent
U.S. Reporter
Professor Kendall Wallace
Talk Show Host
Dr. Ross
Student Named Laura
Boy in Class
Student Named Dylan
Vice Principal
Teacher in Auditorium (as Lisa Gunn)
Railway Police Officer
P.A. System Conductor
Philadelphia Police Officer
Taxi Driver - Sal
Older Woman with Dog
Passenger
Woman Passenger
Passenger at Counter
Diner Owner
Passenger #1
Passenger #2
Passenger #3
Jeep Driver (as Brian C. O'Halloran)
Jeep Passenger #1 (as Megan Mazaika)
Jeep Passenger #2 (as Richard Chew)
Man in Crowd at Crossroads (as Keith E. Bullard)
Realtor (as Joel De La Fuente)
Woman in Group
Woman with Hands Over Ears
Farmhouse Voice (voice) (as James 'Jimbo' Breen)
Mangled Construction Worker
Arguing Man in Crowd
Zoo Employee (as Greg Smith Aldridge)
Local News Anchor
Network News Anchor
Radio News Anchor
Radio Voice (voice)
Radio Caller Fay (voice)
Young Woman Voice on Phone (voice)
Radio Newsman (voice)
Radio Announcer (voice)
Truck Passenger Boy
Truck Passenger Girl
Dog Walker (uncredited)
Jogger in the Park (uncredited)
Train Passenger (uncredited)
College Student (uncredited)
Urban Refugee (uncredited)
Screaming Mother (uncredited)
The Realtor's Wife (uncredited)
Diner Local (uncredited)
High School Student (uncredited)
Extra (uncredited)
Jogger in Philadelphia (uncredited)
Construction Worker (uncredited)
Traveler (uncredited)
Student (uncredited)
Girl in Rural Group 2 (uncredited)
Wandering Man in Park (uncredited)
Young Businessman (uncredited)
Businessman on Train (uncredited)
Infected Girl in Park (uncredited)
Train Station Patron (uncredited)
Pico - Helen's Pianist (uncredited)
Conductor (uncredited)
Train Conductor #2 (uncredited)
Businessman (uncredited)
Train Passenger #3 (uncredited)
Tourist (uncredited)
Father in Elliot's Group (uncredited)
Student with Skateboard (uncredited)
School Maintainance Man (uncredited)
Jogger (uncredited)
Helen - Opera Singer (uncredited)
Construction Crew (uncredited)
Travler (uncredited)
Student Talking on Phone (uncredited)
Restroom Patron (uncredited)
Train Station Tourist (uncredited)
Last Child to Die (uncredited)
Schoolboy (uncredited)
Passenger (uncredited)
Cafe Guest (uncredited)
Mr. Jones (uncredited)
Business Man (uncredited)
Schoolgirl (uncredited)
Train Conductor #3 (uncredited)
Young Man Walking Backwards (uncredited)
Police Officer (uncredited)
Roof Man the Great (uncredited) (unconfirmed)
Woman in gas mask (uncredited)
Business Traveler (uncredited)
Park Bench Newspaper Reader (uncredited)