Drew Barrymore

Sophie Fisher

Hugh Grant

Alex Fletcher

Brad Garrett

Chris Riley

Haley Bennett

Cora Corman

Brooke Tansley

Janice Stern

Aasif Mandvi

Khan

Zak Orth

David Newbert

Scott Porter

Colin Thompson

Nick Bacon

Pop Bass Player

Andrew Wyatt

Pop Guitar Player

Dan McMillan

Pop Drummer

Tom Foligno

Has-Beens Promo Announcer (voice)

Daniel Stewart Sherman

Willy

Matthew Morrison

Ray

Jason Antoon

Greg Antonsky