Joseph Gordon-Levitt

Tom

Zooey Deschanel

Summer

Geoffrey Arend

McKenzie

Chloë Grace Moretz

Rachel

Matthew Gray Gubler

Paul

Clark Gregg

Vance

Patricia Belcher

Millie

Rachel Boston

Alison

Minka Kelly

Autumn

Charles Walker

Millie's New Husband

Ian Reed Kesler

Douche

Darryl Alan Reed

Bus Driver

Valente Rodriguez

Employee #1

Yvette Nicole Brown

New Secretary

Nicole Vicius

Partygoer

Natalie Boren

Another Partygoer

Maile Flanagan

Rhoda

Darryl Sivad

Usher

Gregory A. Thompson

Minister

Michael Bodie

Man

John Mackie

Mime

Jacob Stroop

Cupid

Kevin Michael

Wedding Singer

Sid Wilner

Grossman

Richard McGonagle

Narrator (voice)

Jean-Paul Vignon

French Narrator (voice)

Bryan Anthony

Dancer

Sybil Azur

Dancer

Cheryl Baxter

Dancer

Gustavo Carr

Dancer

John R. Corella

Dancer

Nadine Ellis

Dancer

Alejandro Estornel

Dancer

Nathaniel Flatt

Dancer

Reshma Gajjar

Dancer

Tiffany Granath

Dancer

Jennifer Hamilton

Dancer

Brandon Henschel

Dancer

Michael Higgins

Dancer

Kenneth Hughes

Dancer

Alexandra Nicole Hulme

Dancer

John Jacquet Jr.

Dancer

Jennifer Lee Keyes

Dancer

Tim Lacatena

Dancer

Rebecca Lin

Dancer

Gelsey Weiss

Dancer

Katie Malia

Dancer

Anthony Marciona

Dancer

Christopher Martinez

Dancer

Vivian Nixon

Dancer

Tracy Phillips

Dancer

Nathan Prevost

Dancer

Jamie Shea

Dancer

Ryan Thomas

Dancer

Christian Vincent

Dancer

Jull Weber

Dancer

Olivia Howard Bagg

Summer - Age 12 (uncredited)

Jason Robinson

The Puma (uncredited)

Chris Connell

Marcus (uncredited)

Samantha Krutzfeldt

Charlie (uncredited)

Kathryn Weisbeck

Summer Lookalike (uncredited)

Eileen Álvarez

Summer Lookalike (uncredited)

Jennifer Hetrick

Sarah (uncredited)

Pleasant Wayne

Tavern Patron (uncredited)

Marc Webb

Director

Scott Neustadter

Screenplay

Michael H. Weber

Screenplay

Alan Edward Bell

Editor

Rob Simonsen

Original Music Composer

Mason Novick

Producer

Eric Steelberg

Director of Photography

Jessica Tuchinsky

Producer

Steven J. Wolfe

Producer

Mychael Danna

Original Music Composer

Mark Waters

Producer

Michael Rooney

Choreographer

Grady Allen Bishop

Driver

Grady Allen Bishop

Camera Car

Jenny Hinkey

Unit Production Manager

Matthew Moriarty

Steadicam Operator

Al Goto

Stunt Coordinator

Jennifer Vecchiarello

Assistant Editor

Piero Mura

Sound Designer

Matthew Iadarola

Sound Re-Recording Mixer

Jen Monnar

Music Editor

John Koyama

Stunt Coordinator

Tony Friedkin

Still Photographer

Charles Varga

Art Direction

Lori Dovi

Sound mixer

Jennifer Lukehart

Set Decoration

Andrea von Foerster

Music Supervisor

Veronica Brooks

Associate Producer

Laura Fox

Production Design

Hope Hanafin

Costume Design

Renetta G. Amador

Script Supervisor

Piero Mura

Supervising Sound Editor

Matthew Moriarty

Camera Operator

Gary Gegan

Sound Re-Recording Mixer

Scott Hyman

Co-Producer

Chuck Zlotnick

Still Photographer

Eyde Belasco

Casting

Marcy Lavender

Costume Supervisor

Maximino Gonzalez

Carpenter

Erik Gonzales

Grip