Adrien Brody

Psycho Ed

Matt Bush

Henry Burke

Sean Marquette

Travis Breaux

Colin Hanks

Brandon Ellis

Michael Chiklis

Dr. Leslie Gordon

Adhir Kalyan

Sebastian Saleem

Mykelti Williamson

Paranoid

Luis Chávez

Big Dave

Max Van Ville

Little Dave

Brett Kelly

Martin Gordon

George Back

Malcolm

Alicia Sixtos

Sharky Ovante

Andrew Wilson

Hippie Dude

Camille Mana

Dana

Erica Vittina Phillips

Tameka

Arcadiy Golubovich

Edwin Hunter

Julia Ling

Charlyne

Cody Longo

Chad

Mary Birdsong

Mrs. Gordon

Yeardley Smith

Computer Skills Teacher

Curtis Armstrong

Mr. Thompson

Alex Biats

Spelling Bee Rival

John Beard

Male News Desk Reporter

Barret Swatek

Female News Desk Reporter

Rhys Coiro

Vato

Wyatt Russell

Drug PSA Stoned Teenager

Mike Eshaq

Lead Terrorist

Heather Elizabeth Regan

Cheerleader who collides with Henry

Terri Lyn Rodriguez

Vivian

Robert Bailey Jr.

Jeffrey

Kelli Rasmus

Hippie Chick

Shirley Benyas

Older Female Donor

Wallace Bridges

African American Donor

Carl Harry Carlson

Donor #1

Randy Godwin

Donor #2

Mike Evans

Donor #3

Linda Boston

Head Nurse

Nadine Crocker

Emily Tooms

Clarence Smith

Chess Opponent

Ron Ayers

Stunned Lawn Bowler

Karl Murphy

Band Teacher

Rachel Quaintance

Angry Parent #1

Peter Tocco

Angry Parent #2

Mike Woods

Announcer

Kerry Birmingham

Female Reporter

Kevin Yon

Mr. Cavanaugh

Sammy A. Publes

Cook #1

Rene Santana

Cook #2

Billye Thompson

Cop #1

J. J. Soria

Rubin

David Herbst

School Security Guard

John O'Hurley

Drug PSA (voice)

John Stalberg Jr.

Grandpa Frodo - Ed's Frog (voice)

Heather Kleisner

Henry's Mom (voice)

D.B. Dickerson

Stoned High School Student (uncredited)

Sabrina Dungan

High School Student (uncredited)

Penny Gibbs

School Admin (uncredited)

Adam Lorenz

Dwayne Reynolds (uncredited)

Bill Lumbert

Concerned Parent (uncredited)

Misty Mills

Teacher (uncredited)

Jerry Reid

High School Student (uncredited)

Steven Sutherland

Academy Student (uncredited)

Joe Tinpan

Terrorist (uncredited)

Michael Vartan

Calculus Teacher (uncredited)

Amanda Bright

High School Student (uncredited)

Kathi J. Moore

Librarian

Erik Linthorst

Story

Erik Linthorst

Screenplay

Stephen Susco

Screenplay

Darrin Prescott

Stunts

Erik Linthorst

Associate Producer

Michael Shahoud

Associate Producer

Gabriel Wrye

Editor

Olga Mirimskaya

Executive Producer

Arcadiy Golubovich

Producer

Armen Mahdessian

Associate Producer

Warren Zide

Producer

Mitchell Amundsen

Director of Photography

Raymond J. Markovich

Producer

Ryan Lewis

Co-Executive Producer

B.J. Rack

Line Producer

Stephen Susco

Executive Producer

John Stalberg Jr.

Director

John Stalberg Jr.

Screenplay

John Stalberg Jr.

Executive Producer

John Stalberg Jr.

Story

Clint Lilley

Stunt Coordinator

Andrew Grush

Original Music Composer

Taylor Stewart

Original Music Composer

Geoff George

Camera Production Assistant

Seth Reed

Production Design

John B. Josselyn

Art Direction

Maggie Martin

Set Decoration

Mike Mekash

Special Effects Makeup Artist

Barbara Fiorentino

Casting

Rebecca Mangieri

Casting

Wendy Weidman

Casting

Mark DeSimone

Sound

Marie France

Costume Design