Jesse Eisenberg
Mark Zuckerberg
Andrew Garfield
Eduardo Saverin
Armie Hammer
Cameron Winklevoss / Tyler Winklevoss
Justin Timberlake
Sean Parker
Max Minghella
Divya Narendra
Josh Pence
Tyler Winklevoss
Brenda Song
Christy Lee
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)
Jeff Martineau
Bobby's Friend (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)