Cast

• Amanda Wright High School Student (uncredited)
• Michael Vartan Calculus Teacher (uncredited)
• Joe Tinpan Terrorist (uncredited)
• Emily Sutton-Smith Mrs. Breaux (uncredited)
• Steven Sutherland Academy Student (uncredited)
• Morris Lee Sullivan Teacher (uncredited)
• Dalibor Stolevski News Producer (uncredited)
• Joe Sacksteder News Cameraman (uncredited)
• Luke Richmond Jock (uncredited)
• Jerry Reid High School Student (uncredited)
• Tiffany Osborne High School Student (uncredited)
• Kathi J. Moore Librarian (uncredited)
• Misty Mills Teacher (uncredited)
• Curtis Matzke Customer (uncredited)
• Bill Lumbert Concerned Parent (uncredited)
• Adam Lorenz Dwayne Reynolds (uncredited)
• Dave Kilgore Parent in Car (uncredited)
• David Gibson Patient in the Institute for the Morally Deviant (uncredited)
• Penny Gibbs School Admin (uncredited)
• Sabrina Dungan High School Student (uncredited)
• D.B. Dickerson Stoned High School Student (uncredited)
• Adam DeFilippi Little Dave's Friend (uncredited)
• Josh Costell Jock (uncredited)
• Kyle Colton High School Student (uncredited)
• Nicole Blaszczyk Student (uncredited)
• John Stalberg Grandpa Frodo - Ed's Frog (voice) (as John Stalberg Jr.)
• Heather Kleisner Henry's Mom (voice)
• Adrien Brody Psycho Ed
• Sean Marquette Travis Breaux
• Matt Bush Henry Burke
• Colin Hanks Brandon Ellis
• Adhir Kalyan Sebastian Saleem
• Mykelti Williamson Paranoid
• Michael Chiklis Dr. Leslie Gordon
• Luis Chávez Big Dave
• Max Van Ville Little Dave
• Brett Kelly Martin Gordon
• Joseph Julian Soria Rubin
• George Back Malcolm
• Alicia Sixtos Sharky Ovante
• Andrew Wilson Hippie Dude
• Camille Mana Dana
• Arcadiy Golubovich Edwin Hunter
• Erica Vittina Phillips Tameka
• 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 (as Michael Eshaq)
• Heather Elizabeth Regan Cheerleader who collides with Henry (as Heather Regan)
• Terri Lyn Rodriguez Vivian
• Robert Bailey Jr. Jeffrey
• Kelli Rasmus Hippie Chick (as Kellie Rasmus)
• Shirley Benyas Older Female Donor
• Wallace Bridges African American Donor
• Carl Harry Carlson Donor #1 (as Harry Carlson)
• Randy Godwin Donor #2
• Mike Evans Donor #3
• Linda Boston Head Nurse
• Nadine Crocker Emily Tooms
• Clarence Smith Chess Opponent
• Ron Ayers Stunned Lawn Blower
• 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 (as Sammy Publes)
• Rene Santana Cook #2
• Billye Thompson Cop #1
• David Herbst School Security Guard
• John O'Hurley Drug PSA (voice)

Writers

• Erik Linthorst
• John Stalberg
• Stephen Susco
• John Stalberg
• Erik Linthorst

Producers

• Stephen Susco
• John Stalberg
• Michael Shahoud
• B.J. Rack
• Olga Mirimskaya
• Raymond J. Markovich
• Armen Mahdessian
• Erik Linthorst
• Ryan Lewis
• Arcadiy Golubovich
• Warren Zide