Drew Barrymore
Sophie Fisher
Hugh Grant
Alex Fletcher
Toni Trucks
Tricia
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
Jeremy Karson
Charlie
Emma Lesser
Lucy
Kristen Johnston
Rhonda
Adam Grupper
Gary
Charlotte Maier
Barbara
Lanette Ware
Mia
Campbell Scott
Sloan Cates
Billy Griffith
Derek
Kathleen McNenny
Gloria
Stevie Ray Dallimore
Maitre d'
Spenser Leigh
Beth Riley
Lou Torres
Security Guard
Kali R. Harrison
Stage Manager
Dan Karaty
Choreographer
Chris Moss
Dancer
Christine Ashley DeJesus
Dancer
Dana DePalo
Dancer
Gerard Heintz
Dancer
Antoine 'Doc' Judkins
Dancer
Nick Kenkel
Dancer
Nina Lafarga
Dancer
Carly Lang
Dancer
Monique Lea-Gall
Dancer
Sarah Mitchell
Dancer
Marielys Molina
Dancer
Jorge Santos
Dancer
Seth Stewart
Dancer
Roel Suasin
Dancer
Reed Kelly
Dancer
Ariana Bernstein
Girl at Concert (uncredited)
Bill Chemerka
Concert Vendor (uncredited)
Michael Ciesla
Party Guest (uncredited)
Peter Conboy
Reunion Classmate (uncredited)
Jeannine Kaspar
Girlfriend of Alex Fletcher (uncredited)
Mark A. Keeton
Sloan's Dinner Companion (uncredited)
Bernadette Lords
Cora Corman Fan (uncredited)
Suzi Lorraine
Nurse (uncredited)
Robert Sciglimpaglia
Reunion Classmate (uncredited)
Carlos Velazquez
Waiter (uncredited)