Also Known As:
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- Gamer
- Геймер
- Citizen Game
- Game
- Gamer - Játék a végsőkig
- Geimeris
- Jogo
- Mängur
- Oyuncu
- Ultimate Game
- Zaidejas
- Mark Neveldine
- Brian Taylor
- Mark Neveldine
- Brian Taylor
- Gerard Butler ... Kable / John Tillman
- Amber Valletta ... Angie
- Michael C. Hall ... Ken Castle
- Kyra Sedgwick ... Gina Parker Smith
- Logan Lerman ... Simon Silverton
- Alison Lohman ... Trace
- Terry Crews ... Hackman
- Ramsey Moore ... Gorge
- Ludacris ... Humanz Brother (as Chris 'Ludacris' Bridges)
- Aaron Yoo ... Humanz Dude
- Jonathan Chase ... Geek Leader
- Dan Callahan ... Backup Geek
- Brighid Fleming ... Delia
- Johnny Whitworth ... Travis Scotch
- Keith Jardine ... Mean Slayer
- Michael Weston ... Producer
- Joseph D. Reitman ... Board OP (as Joe Reitman)
- John de Lancie ... Chief of Staff
- Milo Ventimiglia ... Rick Rape
- Zoe Bell ... Sandra
- John Leguizamo ... Freek
- Noel Gugliemi ... Upgrade Guard
- Jarvis W. George ... Brown Soldier #1 (as Jarvis George)
- Jai Stefan ... Brown Soldier #2
- Richard Machowicz ... Blue Soldier #1
- Ken Smith ... Lifer
- Henry Hayashi ... Razorblade
- Dylan Kenin ... Train Guard
- Keith David ... Agent Keith
- Maggie Lawson ... Female News Host #1
- James Roday ... News Co-Host #1
- Sam Witwer ... Caseworker
- Rebekah Tarin ... Dale
- Kate Mulligan ... Sorority Chick
- Med Abrous ... Pig Nose
- Ashley Rickards ... 2Katchapredator
- Nikita Ramsey ... Kumdumpsta #1
- Jade Ramsey ... Kumdumpsta #2
- Mimi Michaels ... Stikkimuffin
- Sadie Alexandru ... Society Victim
- Ariana Scott ... Sissypuss Shelley
- Cynthia Robertson ... Porn Girl
- Antoinette Antonio ... Female News Host #2
- Donnie Smith ... News Co-Host #2
- Lloyd Kaufman ... Genericon
- Stephanie Mace ... Geek Girl
- Adam Loeb ... Ben Richard
- Efren Ramirez ... DJ
- David Rubin ... Lab Tech (as David Scott Rubin)
- Fred Loeb ... Society Concierge
- Michael-David Aragon ... Slayer
- Jera Askey ... Raver
- Jack Brunacini Jr. ... Slayer
- Hayley Derryberry ... Raver
- Pamela Finley ... Debutante Glitch
- Daniel J Gonzales ... Sniper
- Eric Martinez ... Inmate
- David Mate ... Rave Blader
- Jared Ortega ... Raver
- Paul J. Porter ... Mohawk Raver
- Dan Strakal ... Television Executive
- TJ Williams ... Muscular Jogger
- Paul Zepeda ... Slayer
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