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

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)

Toni Trucks

Tricia