Jesse Eisenberg

• Mark Zuckerberg

Andrew Garfield

• Eduardo Saverin

Armie Hammer

• Cameron Winklevoss / Tyler Winklevoss

Josh Pence

• Tyler Winklevoss (Body Double)

Justin Timberlake

• Sean Parker

Max Minghella

• Divya Narendra

Brenda Song

• Christy Ling

Rashida Jones

• Marylin Delpy

John Getz

• Sy

David Selby

• Gage

Denise Grayson

• Gretchen

Douglas Urbanski

• Larry Summers

Rooney Mara

• Erica Albright

Bryan Barter

• Billy Olsen

Dustin Fitzsimons

• Phoenix Club President

Joseph Mazzello

• Dustin Moskovitz

Patrick Mapel

• Chris Hughes

Toby Meuli

• Phoenix Member Playing Facemash

Alecia Svensen

• Girl at Phoenix Club

Jami Owen

• Student Playing Facemash

James Dastoli

• Student Playing Facemash

Robert Dastoli

• Student Playing Facemash

Scotty Crowe

• Student Playing Facemash

Jayk Gallagher

• Student Playing Facemash

Marcella Lentz-Pope

• Erica's Roommate

Trevor Wright

• B.U. Guy in Bra

Barry Livingston

• Mr. Cox

Marybeth Massett

• Mrs. Cox

Randy Evans

• Student in Communications Office

Carrie Armstrong

• Court Reporter

Henry Roosevelt

• Henry

Pamela Roylance

• Ad Board Chairwoman

Brian Palermo

• CS Lab Professor

Brett Leigh

• Phoenix Club Hazer

Chris Gouchoe

• Phoenix Club Pledge

Nicholas Tubbs

• A Capella Group

Kevin Chui

• A Capella Group

Richie Ferris

• A Capella Group

Burke Walton

• A Capella Group

Nguyen Anh Tuan

• A Capella Group

Inbal Amirav

• Model

Dane Nightingale

• A Capella Group

Stephen Fuller

• A Capella Group

John He

• A Capella Group

Nick Smoke

• KC's Friend

Cali Fredrichs

• KC's Friend

Shelby Young

• KC

Steve Sires

• Speaker / Bill Gates

Melise

• Alice Cantwel

Victor Z. Isaac

• Stuart Singer

Abhi Sinha

• Vikram

Mark Saul

• Bob

Cedric Sanders

• Reggie

Dakota Johnson

• Amelia Ritter

Nancy Linari

• Larry Summers' Secretary

Inger Tudor

• Anne

Aaron Sorkin

• Ad Executive

Mariah Bonner

• Tori

Kyle Fain

• Intern Eric

Christopher Khai

• Intern Ian

Emma Fitzpatrick

• Sharon

Jeffrey Thomas Border

• Andrew

Courtney Arndt

• Victoria's Secret Model

Felisha Terrell

• Beautiful Woman

Zoe De Toledo

• Harvard Rowers' Coxman

Simon Barr

• Harvard Rower

Alex Leigh

• Harvard Rower

Phil Turnham

• Harvard Rower

Richie Steele

• Harvard Rower

Chris Friend

• Harvard Rower

Tom Harvey

• Harvard Rower

Alex Olijnyk

• Hollandia Rowers' Coxman

Ray Poulter

• Hollandia Rower

Bob Hewitt

• Hollandia Rower

Dave Lambourn

• Hollandia Rower

James Padmore

• Hollandia Rower

Sebastian Kouba

• Hollandia Rower

Charles Herbert

• Hollandia Rower

Robin Dowell

• Hollandia Rower

Nathan Hillyer

• Hollandia Rower

James Shanklin

• Prince Albert

Alex Reznik

• Prince Albert's Aide

John Hayden

• Howard Winklevoss

Oliver Muirhead

• Mr. Kenwright

Shane Adler

• Stoned Girl

Amy Ferguson

• Stoned Girl

Monique Edwards

• Bank Teller

Cayman Grant

• Peter Thiel's Assistant

Wallace Langham

• Peter Thiel

Scott Lawrence

• Maurice

Peter Holden

• Facebook Lawyer

Darin Cooper

• Facebook Lawyer

Jared Hillman

• Mackey

Caitlin Gerard

• Ashleigh

Lacey Beeman

• Sorority Girl

Cherilyn Wilson

• Sorority Girl

Caleb Landry Jones

• Fraternity Guy

Franco Vega

• Policeman

Andrew Thacher

• Policeman

Adina Porter

• Gretchen's Associate (uncredited)

Noah Baron

• Student (uncredited)

Ki Hong Lee

• Student (uncredited)

Jesse Heiman

• Student (uncredited)

David Broyles

• Student Playing Facemash (uncredited)

Mike Bash

• Bob (uncredited)

Tony Calle

• Harvard Student (uncredited)

Cooper Conley-Currier

• Pheonix Club Hazee (uncredited)

Elliott Ehlers

• Harvard Student (uncredited)

Brett A. Newton

• Harvard Student (uncredited)

Nathan Dean Snyder

• Harvard Student (uncredited)

Kristen Clement

• Party Girl (uncredited)

Tatum Miranda

• Party Girl (uncredited)

Chad Davis

• B.U. Guy in Bra #2 (uncredited)

Tony DeSean

• Waiter (uncredited)

Vincent Rivera

• Waiter (uncredited)

Jason Flemyng

• Regatta Spectator (uncredited)

Carlos Foglia

• MIT Student (uncredited)

Bryan Forrest

• Popular Harvard Student (uncredited)

Jessica Franz

• Sorority Girl (uncredited)

Eli Jane

• Dancer (uncredited)

Sara Murphy

• Dancer (uncredited)

Kandis Mak

• Go-Go Dancer (uncredited)

Eric La Barr

• Harvard Note-Passer (uncredited)

Naina Michaud

• Final Club Girl (uncredited)

Riley Voelkel

• Final Club Girl (uncredited)

Tia Robinson

• Club Waitress (uncredited)

Jeff Rosick

• Dorm Room Guy #2 (uncredited)

Alexandra Ruddy

• Ruby Skye Waitress (uncredited)

Adrienne Rusk

• Club 66 Girl (uncredited)

Rebecca Tilney

• Art History Professor (uncredited)

Georgina Tolentino

• Club-Goer (uncredited)

Tyler Nelson

Scott Rudin

Dana Brunetti

Michael De Luca

Ceán Chaffin

Kevin Spacey

Tom Abrams

Aaron Sorkin

David Fincher

Trish Gallaher Glenn

Iain Reid

Matt Carver

Allen Kupetsky

Bob Wagner

Maileen Williams Matheny

Tom Williams

Jeff Cronenweth

Kirk Baxter

Angus Wall

Laray Mayfield

Donald Graham Burt

Curt Beech

Keith P. Cunningham

Victor J. Zolfo

Jacqueline West

Felicity Bowring

Linda Flowers

Kelly Muldoon

Clare M. Corsick

Yeşim "Shimmy" Osman

Ann Pala

Alex Proctor

JoAnn Perritano

Carey Len Smith

Aaron Haye

Cindy M. Ichikawa

Chris Samp

Theodore Sharps

Chris Snyder

Freddy Waff

Jane Wuu

Steve Burnes

Francesco Franco Ferrara

James R. Lord

Gregory Lynch Jr.

Ted Nolan

Cesar Orozco

David C. Hughes

Ren Klyce

E. Larry Oatfield

David Parker

Richard Quinn

David Raymond

Michael Semanick

Steve Cremin

Robert Cole

Enid Dalkoff

Andrea D'Amico

Max Leonard

Brice Liesveld

Thomas Nittmann

Fred Pienkos

Maciek Sokalski

Dan Brown

Mickey Giacomazzi

Merrick Morton

Peter Rosenfeld

Harold Skinner

Adam Camacho

John Flemming

Miles Gutkin

William T. Iversen

Shaun Sangkarat

Wally Webber

Andrea Krout

Richard Jones

Mark Sussman

Patty Connolly

Alex Olivares

Marie Ebbing

Jonathon Stevens

Michael Patterson

Charley Armstrong

Jonah Coombes

William Doyle

Ben Gladstone

Elena Moscatt

Sharron Reynolds-Enriquez

Richard Schuler

Lisa Arnone

Ken Edling

Elizabeth Himelstein

Patrick Mahoney

Chris Weigand

David Corral

Dave Levine

Jeremiah Sweeney

Edson Williams

Marc A. Hammer

David E. Scott

Michael Stevenson

Randall D. Wilkins

Ronald G. Roumas

Noble Jones

Malcolm Fife

Trent Reznor

Atticus Ross

Adam Cole

Thom Brennan

John Roesch

Alyson Dee Moore

Wayne Kimball

Jason Tamez

Mark Weingarten

Ben Mezrich