Detailinformatie over de film 21

Aaron Yoo (Choi), Billy Silvia (Casino Security Team), Jack Gilpin (Bob Phillips), Sam Golzari (Cam), Sean Paul Cormier (Bar patron), Christopher Tranchina (Flight Attendent), Seba Johnson (Airport Attendant), Tom McGowan (Husband), Colin Angle (Professor Hanes), Scott Beringer (Big Shot (as Scott Beringer)), Supriya Chakrabarti (Professor), Frank Chen (Chinatown Host), J.J. Dashnaw (Russian Mafioso (as Jeff Dashnaw)), Frank DeAngelo (Red Rock Host), Anthony DiMaria (Hard Rock Doorman), Henry Houh (Chinatown Dealer), Sally Levi (Chemistry Review Girl), Terasa Livingstone (Russian's Girlfriend), Alice Lo (Chinese Woman #2), Donna Lows (Planet Hollywood Dealer #1), Jeff Ma (Planet Hollywood Dealer Jeff), Ernell Manabat (Red Rock Doorman), Alexandra McDougall (Student), Christian Mello (Drunk Dude #1), Ron Murphy (Maintenance Man), Frank Patton III (Planet Hollywood Floor Manager), Steven Richard Vezina (Red Rock Dealer #1), Rocky Self (Valet), Gregory Seymore (Drunk Dude #2), Jessi Shuttleworth (Friend), Chaska T. Werner (Red Rock Dealer #2), Bradley Thoennes (Warren), Amanda Warnock (Subway girl), Marcus Weiss (Red Rock Valet), Butch Williams (Planet Hollywood Dealer #2), Kris Williams (Friend of Jill), Kyle Morris (Red Rock Dealer #3 (as Kyle D. Morris)), Lyralen Kaye (College Mom), Ruby Hondros (Wife), Jacob Pitts (Jimmy Fisher)

Allan Loeb, Ben Mezrich, Peter Steinfeld

Gary A. Hecker, Michael Broomberg, Gary C. Bourgeois, Michael D. Wilhoit, Greg Orloff, Wade Wilson, Scott Wolf

Kevin Spacey, Dana Brunetti, Michael De Luca

Buena Vista Sony Pictures Releasing (BVSPR), Columbia Pictures, GH Three, Michael De Luca Productions, Relativity Media, Sony Pictures Entertainment, Sony Pictures Releasing, Trigger Street Productions