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