Mark Wahlberg

Character: Elliot Moore

Zooey Deschanel

Character: Alma Moore

John Leguizamo

Character: Julian

Ashlyn Sanchez

Character: Jess

Betty Buckley

Character: Mrs. Jones

Spencer Breslin

Character: Josh

Robert Bailey Jr.

Character: Jared

Frank Collison

Character: Nursery Owner

Jeremy Strong

Character: Private Auster

Alan Ruck

Character: Principal

Victoria Clark

Character: Nursery Owner's Wife

M. Night Shyamalan

Character: Joey (voice)

Alison Folland

Character: Woman Reading on Bench with Hair Pin

Kristen Connolly

Character: Woman Reading on Bench

Cornell Womack

Character: Construction Foreman

Curtis McClarin

Character: Construction Crew Member

Robert Lenzi

Character: Jake

Derege Harding

Character: Train Conductor

Roberto Lombardi

Character: Father in Elliot's Group

Kerry O'Malley

Character: Woman on Cell Phone

Shayna Levine

Character: Teenage Girl in Jeep

Stéphane Debac

Character: French Bicyclist

Cyrille Thouvenin

Character: French Bicyclist's Friend

Babita Hariani

Character: Medical Correspondent

Edward James Hyland

Character: Professor Kendall Wallace

Armand Schultz

Character: Talk Show Host

Stephen Singer

Character: Dr. Ross

Sophia Burke

Character: Student Named Laura

Alex Van Kooy

Character: Boy In Class

Charlie Saxton

Character: Student Named Dylan

Kathy Hart

Character: Vice Principal

Lisa Furst

Character: Teacher in Auditorium

Rick Foster

Character: Railway Police Officer

Marc H. Glick

Character: P.A. System Conductor

Don Castro

Character: Philadelphia Police Officer

Bill Chemerka

Character: Taxi Driver - Sal

Jann Ellis

Character: Older Woman with Dog

Whitney Sugarman

Character: Passenger

Mary Ellen Driscoll

Character: Woman Passenger

Greg Wood

Character: Passenger at Counter

Peter Appel

Character: Diner Owner

Eoin O'Shea

Character: Passenger #1

Michael Quinlan

Character: Passenger #2

Lyman Chen

Character: Passenger #3

Brian O'Halloran

Character: Jeep Driver

Megan Grace

Character: Jeep Passenger #1

Rich Chew

Character: Jeep Passenger #2

Keith Bullard

Character: Man In Crowd At Crossroads

Joel de la Fuente

Character: Realtor

Ashley Brimfield

Character: Woman In Group

Mara Hobel

Character: Woman with Hands Over Ears

James Breen

Character: Farmhouse Voice (voice)

Carmen Bitonti

Character: Mangled Construction Worker

Brian Anthony Wilson

Character: Arguing Man in Crowd

Greg SmithAldridge

Character: Zoo Employee

Ukee Washington

Character: Local News Anchor

John Ottavino

Character: Network News Anchor

Sid Doherty

Character: Radio News Announcer

Wes Heywood

Character: Radio Voice (voice)

Nancy Sokerka

Character: Radio Caller Fay (voice)

Julia Yorks

Character: Young Woman Voice on Phone (voice)

Bill Shusta

Character: Radio Newsman (voice)

Kirk Penberthy

Character: Radio Announcer (voice)

Alex Craft

Character: Truck Passenger Boy

Allie Habberstad

Character: Truck Passenger Girl

Alex Harz

Character: Pico - Helen's Pianist (uncredited)

Adam Schoon

Character: Mr. Jones (uncredited)

Lee Squire

Character: Student (uncredited)

Robert Bizik

Character: Train Passenger (uncredited)

Alicia Warrington

Character: U.S. Reporter