- William Hellfire
- Derwin
- Joey Smack
- Derick
- Erin Brown
- Bible Girl
- Lilly Tiger
- Play Girl
- Chris Perez
- Car Kid
- Robert Manrique
- Retard
- Mikey Ovum
- Spam Jock
- Ryan Trimmer
- Benchpress
- Kendall 'Shorty' Ward
- Afro-American
- Marie Mazur
- Song Girl
- Mike Roser
- Goth Boy
- Liz Bathory
- Goth Girl
- Michael Lema
- No Info Boy
- Pamela Anne
- The Mothers
- Stephen Harris
- The Fathers
- Jacqueline D'Angelo
- 911 Dispatcher
- Michelle Chard
- 911 Girl
- Beef Hunkster
- Teacher
- Michael Raso
- Young Derwin / The Police Chief
- Joe Ned
- Child Psychologist
- Larry Wellman
- The Principal
- Rig
- Basketball Jock
- Pete Floris
- Internet Teacher
- Murial Martz
- School Announcer
- Rodney Sleurtols
- The Janitor / 3rd Gunman?
- Zachary Snygg
- The Preacher
- Thomas Linden
- The Gun Man
- Hernandez
- The Gun Man's Assistant
- John Paul Fedele
- G.U.N. Association Representative
- Lucille
- S.O.T.T. Representative
- Minty Hansen
- Cafeteria Lady
- John James
- Bible Boy
- Martina Solej
- Screaming Girl
- Lora Lane
- Newscaster
- Nathan Lanman
- Cameraman
- Karl Pitt
- Policeman
- Mick Leo
- SWAT Team Answering Machine Voice
- Michael Lione
- Teenage Boy #1
- Patrick Henderson
- Teenage Boy #2
- Michael J. Scillia
- Surviving Jock #1
- Kyle Lee Laferrière
- Surviving Jock #2
- John Link
- Scientist
- Bob Gonzo
- Entrepreneur
- Justine
- Rose Girl
- Tom Adams
- Carbine High Student
- Jamie Pospiech
- Carbine High Student
- Matt Troost
- Carbine High Student
- John Tobin
- Carbine High Student
- John Solej
- Carbine High Student
- Karl Pidhajny
- Carbine High Student
- Cort Blehl
- Carbine High Student
- Brian Bicsak
- Carbine High Student
- Christian J. King
- Carbine High Student
- Renee Wright
- Carbine High Student
- Zachariah M. Farrell
- Carbine High Student
- Charles Thomas
- Carbine High Student
- Michael Nieman
- Carbine High Student
- Simon Collum
- Carbine High Student
- Shaun Barrett
- Carbine High Student
- Michael Huff
- Carbine High Student
- Jason Beins
- Carbine High Student
- Brian West
- Carbine High Student
- Pamela Sutch
- Derwin's Mom
