Adrien Brody
Psycho Ed
Acting
Matt Bush
Henry Burke
Acting
Sean Marquette
Travis Breaux
Acting
Colin Hanks
Brandon Ellis
Acting
Michael Chiklis
Dr. Leslie Gordon
Acting
Adhir Kalyan
Sebastian Saleem
Acting
Mykelti Williamson
Paranoid
Acting
Luis Chávez
Big Dave
Acting
Max Van Ville
Little Dave
Acting
Brett Kelly
Martin Gordon
Acting
George Back
Malcolm
Acting
Alicia Sixtos
Sharky Ovante
Acting
Andrew Wilson
Hippie Dude
Acting
Camille Mana
Dana
Acting
Erica Vittina Phillips
Tameka
Acting
Arcadiy Golubovich
Edwin Hunter
Production
Julia Ling
Charlyne
Acting
Cody Longo
Chad
Acting
Mary Birdsong
Mrs. Gordon
Acting
Yeardley Smith
Computer Skills Teacher
Acting
Curtis Armstrong
Mr. Thompson
Acting
Alex Biats
Spelling Bee Rival
Acting
John Beard
Male News Desk Reporter
Acting
Barret Swatek
Female News Desk Reporter
Acting
Rhys Coiro
Vato
Acting
Wyatt Russell
Drug PSA Stoned Teenager
Acting
Mike Eshaq
Lead Terrorist
Acting
Heather Elizabeth Regan
Cheerleader who collides with Henry
Acting
Terri Lyn Rodriguez
Vivian
Acting
Robert Bailey Jr.
Jeffrey
Acting
Kelli Rasmus
Hippie Chick
Acting
Shirley Benyas
Older Female Donor
Acting
Wallace Bridges
African American Donor
Acting
Carl Harry Carlson
Donor #1
Acting
Randy Godwin
Donor #2
Acting
Mike Evans
Donor #3
Acting
Linda Boston
Head Nurse
Acting
Nadine Crocker
Emily Tooms
Acting
Clarence Smith
Chess Opponent
Acting
Ron Ayers
Stunned Lawn Bowler
Acting
Karl Murphy
Band Teacher
Acting
Rachel Quaintance
Angry Parent #1
Acting
Peter Tocco
Angry Parent #2
Acting
Mike Woods
Announcer
Acting
Kerry Birmingham
Female Reporter
Acting
Kevin Yon
Mr. Cavanaugh
Acting
Sammy A. Publes
Cook #1
Acting
Rene Santana
Cook #2
Acting
Billye Thompson
Cop #1
Acting
J. J. Soria
Rubin
Acting
David Herbst
School Security Guard
Acting
John O'Hurley
Drug PSA (voice)
Acting
John Stalberg Jr.
Grandpa Frodo - Ed's Frog (voice)
Directing
Heather Kleisner
Henry's Mom (voice)
Acting
D.B. Dickerson
Stoned High School Student (uncredited)
Acting
Sabrina Dungan
High School Student (uncredited)
Acting
Penny Gibbs
School Admin (uncredited)
Acting
Adam Lorenz
Dwayne Reynolds (uncredited)
Acting
Bill Lumbert
Concerned Parent (uncredited)
Acting
Misty Mills
Teacher (uncredited)
Acting
Jerry Reid
High School Student (uncredited)
Acting
Steven Sutherland
Academy Student (uncredited)
Acting
Joe Tinpan
Terrorist (uncredited)
Acting
Michael Vartan
Calculus Teacher (uncredited)
Acting
Amanda Bright
High School Student (uncredited)
Acting
Kathi J. Moore
Librarian
Acting