Mark Wahlberg

Elliot Moore

Zooey Deschanel

Alma Moore

John Leguizamo

Julian

Ashlyn Sanchez

Jess

Betty Buckley

Mrs. Jones

Spencer Breslin

Josh

Robert Bailey Jr.

Jared

Frank Collison

Nursery Owner

Jeremy Strong

Private Auster

Alan Ruck

Principal

Victoria Clark

Nursery Owner's Wife

M. Night Shyamalan

Joey (voice)

Alison Folland

Woman Reading on Bench with Hair Pin

Kristen Connolly

Woman Reading on Bench

Cornell Womack

Construction Foreman

Curtis McClarin

Construction Crew Member

Robert Lenzi

Jake

Derege Harding

Train Conductor

Roberto Lombardi

Father in Elliot's Group

Kerry O'Malley

Woman on Cell Phone

Shayna Levine

Teenage Girl in Jeep

Stéphane Debac

French Bicyclist

Cyrille Thouvenin

French Bicyclist's Friend

Babita Hariani

Medical Correspondent

Edward James Hyland

Professor Kendall Wallace

Armand Schultz

Talk Show Host

Stephen Singer

Dr. Ross

Sophia Burke

Student Named Laura

Alex Van Kooy

Boy In Class

Charlie Saxton

Student Named Dylan

Kathy Hart

Vice Principal

Lisa Furst

Teacher in Auditorium

Rick Foster

Railway Police Officer

Marc H. Glick

P.A. System Conductor

Don Castro

Philadelphia Police Officer

Bill Chemerka

Taxi Driver - Sal

Jann Ellis

Older Woman with Dog

Whitney Sugarman

Passenger

Mary Ellen Driscoll

Woman Passenger

Greg Wood

Passenger at Counter

Peter Appel

Diner Owner

Eoin O'Shea

Passenger #1

Michael Quinlan

Passenger #2

Lyman Chen

Passenger #3

Brian O'Halloran

Jeep Driver

Megan Grace

Jeep Passenger #1

Rich Chew

Jeep Passenger #2

Keith Bullard

Man In Crowd At Crossroads

Joel de la Fuente

Realtor

Ashley Brimfield

Woman In Group

Mara Hobel

Woman with Hands Over Ears

James Breen

Farmhouse Voice (voice)

Carmen Bitonti

Mangled Construction Worker

Brian Anthony Wilson

Arguing Man in Crowd

Greg SmithAldridge

Zoo Employee

Ukee Washington

Local News Anchor

John Ottavino

Network News Anchor

Sid Doherty

Radio News Announcer

Wes Heywood

Radio Voice (voice)

Nancy Sokerka

Radio Caller Fay (voice)

Julia Yorks

Young Woman Voice on Phone (voice)

Bill Shusta

Radio Newsman (voice)

Kirk Penberthy

Radio Announcer (voice)

Alex Craft

Truck Passenger Boy

Allie Habberstad

Truck Passenger Girl

Alex Harz

Pico - Helen's Pianist (uncredited)

Adam Schoon

Mr. Jones (uncredited)

Lee Squire

Student (uncredited)

Robert Bizik

Train Passenger (uncredited)

Alicia Warrington

U.S. Reporter