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

Alicia Taylor

U.S. Reporter

Edward James Hyland

Professor Kendall Wallace

Armand Schultz

Talk Show Host

Stephen Singer

Dr. Ross

Charlie Saxton

Student Named Dylan

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

Greg Wood

Passenger at Counter

Peter Appel

Diner Owner

Lyman Chen

Passenger #3

Brian O'Halloran

Jeep Driver

Megan Grace

Jeep Passenger #1

Rich Chew

Jeep Passenger #2

Joel de la Fuente

Realtor

Ashley Brimfield

Woman In Group

Brian Anthony Wilson

Arguing Man in Crowd

Ukee Washington

Local News Anchor

John Ottavino

Network News Anchor

Nancy Sokerka

Radio Caller Fay (voice)

Julia Yorks

Young Woman Voice on Phone (voice)

Alex Harz

Pico - Helen's Pianist (uncredited)

Robert Bizik

Train Passenger (uncredited)