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 Phil...

Tameka

Arcadiy Golubovich

Edwin Hunter

Julia Ling

Charlyne

Cody Longo

Chad

Mary Birdsong

Mrs. Gordon

Yeardley Smith

Computer Ski...

Curtis Armstrong

Mr. Thompson

Alex Biats

Spelling Bee Rival

John Beard

Male News De...

Barret Swatek

Female News ...

Rhys Coiro

Vato

Wyatt Russell

Drug PSA Sto...

Mike Eshaq

Lead Terrorist

Heather Elizabeth ...

Cheerleader ...

Terri Lyn Rodriguez

Vivian

Robert Bailey Jr.

Jeffrey

Kelli Rasmus

Hippie Chick

Shirley Benyas

Older Female Donor

Wallace Bridges

African Amer...

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...

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 Secur...

John O'Hurley

Drug PSA (voice)

John Stalberg Jr.

Grandpa Frod...

Heather Kleisner

Henry's Mom ...

D.B. Dickerson

Stoned High ...

Sabrina Dungan

High School ...

Penny Gibbs

School Admin...

Adam Lorenz

Dwayne Reyno...

Bill Lumbert

Concerned Pa...

Misty Mills

Teacher (unc...

Jerry Reid

High School ...

Steven Sutherland

Academy Stud...

Joe Tinpan

Terrorist (u...

Michael Vartan

Calculus Tea...

Amanda Bright

High School ...

Kathi J. Moore

Librarian