Joel
Jason Bateman
Cindy
Mila Kunis
Hector
Javier Gutiérrez
Gabriella
Lidia Porto
Joe Adler
Gene Simmons
Willie
Matt Schulze
Victor
Lamberto Gutierrez
Phil
Brent Briscoe
Guitar Salesman #1
Hal Sparks
Guitar Salesman #2
Nick Thune
Guitar Customer
Tom Virtue
Pawn Shop Guy
Christopher Rocha
Suzie
Kristen Wiig
Joel's Secretary
Jenny O'Hara
Bar Patron (uncredited)
Gary Cole
Jim (uncredited)
Mike Judge
Lawyer (uncredited)
Marilyn Monrovia
Dean
Ben Affleck
Brian
J.K. Simmons
Step
Clifton Collins Jr.
Brad
Dustin Milligan
Nathan
David Koechner
Mary
Beth Grant
Rory
T.J. Miller
Stunts
Doug Coleman
Original Music Composer
George S. Clinton
Director
Screenplay
Set Decoration
Gene Serdena
Casting Director
Mary Vernieu
Producer
John Altschuler
Executive Producer
Dave Krinsky
Costume Design
Alix Friedberg
Michael Rotenberg
Production Design
Maher Ahmad
Director of Photography
Tim Suhrstedt
Key Hair Stylist
Emanuel Millar
Rhonda O'Neal
Editor
Julia Wong
Glenn Lucas
Venus Kanani
Art Direction
Austin Gorg
Key Makeup Artist
Tracey Levy
Tom Lassally