21 Cast

Kevin Spacey - Mickey Rosa
Jim Sturgess - Ben Campbell
Kate Bosworth - Jill Taylor
Laurence Fishburne - Cole Williams
Aaron Yoo - Choi
Jacob Pitts - Fisher
Josh Gad - Miles Connoly
Liza Lapira - Kianna
Jack McGee - Terry
Kal Thompson - Businessman
Sam Golzari - Kameron
Spencer Garrett - Stemple
Christopher Michael Holley - Expensive Suit
Kieu Chinh - Player at table
Edmund J. Janas - TSA Agent
Rebecca Marshall
Eric Bruno Borgman - Pervert in Strip Club
Emily Griffin - College Student
Michael Yebba - Blackjack Dealer
Derek Nelson - Pool Model
Roger Dillingham Jr. - Head Bouncer
Anthony DiMaria - Hard Rock Doorman
Patrick Canty - Robotics Award Guest
Michael Kelly - Doyle's Bar patron
Kristin Hughes - MIT Student
Fethi Bendida - College Student
Ernell Manabat - Red Rock Doorman
Steve Flynn - Business Traveler
Giovanni Pantaleo - Robotics Award Guest
Henry Fleming Wood - Black Jack Dealer
Jessi Shuttleworth - Friend
Aaron J. Patton - Club Patron
Christopher Tranchina - Flight attendent
Bob Pepper - Craps Dealer
Shaun Aponik - College Student
Rob W. Gray - Father at Robotics Competition
Alan Resnic - MIT Professor
Sean Paul Cormier - Friend
Joseph Guglielmo - Waiter for Alumni Event
A.J. Sullivan - Riviera Casino securtiy guard
Ellen Becker-Gray - Mother at Robotics Competition (uncredited)
Alexandra McDougall - Professor Rosa's Student (uncredited)
Billy Silvia - Casino Security Team (uncredited)
John Wayland Somers - Bar Patron (uncredited)