Dakota Johnson Amelia Ritter
Wally Webber Grip
Andrew Garfield Eduardo Saverin
Rashida Jones Marylin Delpy
Jesse Eisenberg Mark Zuckerberg
Rooney Mara Erica Albright
Brenda Song Christy Ling
David Fincher Director
Caleb Landry Jones Fraternity Guy
Kevin Spacey Executive Producer
Jason Flemyng Regatta Spectator (uncredited)
Ki Hong Lee Student (uncredited)
Aaron Sorkin Screenplay, Ad Executive
Justin Timberlake Sean Parker
Lacey Beeman Sorority Girl
Joseph Mazzello Dustin Moskovitz
Jared Hillman Mackey
Adina Porter Gretchen's Associate (uncredited)
Inger Tudor Anne
Trish Gallaher Glenn Property Master
Alex Reznik Prince Albert's Aide
David Selby Gage
Randy Evans Student in Communications Office
Max Minghella Divya Narendra
Darin Cooper Facebook Lawyer
Tony DeSean Waiter (uncredited)
Ben Gladstone Location Manager
Armie Hammer Cameron Winklevoss / Tyler Winklevoss
Emma Fitzpatrick Sharon
Kyle Fain Intern Eric
Cali Fredrichs KC's Friend
Shelby Young KC
Noah Baron Student (uncredited)
Steve Cremin Special Effects Coordinator
John Getz Sy
Melise Alice Cantwel
Wallace Langham Peter Thiel
Oliver Muirhead Mr. Kenwright
Barry Livingston Mr. Cox
Mark Sussman ADR & Dubbing
Pamela Roylance Ad Board Chairwoman
Rebecca Tilney Art History Professor (uncredited)
Ken Edling Stand In
Angus Wall Editor
Scott Lawrence Maurice
Douglas Urbanski Larry Summers
Eric La Barr Harvard Note-Passer (uncredited)
Carrie Armstrong Court Reporter
Dan Brown Stunts
Eli Jane Dancer (uncredited)
Patty Connolly ADR & Dubbing
Elliott Ehlers Harvard Student (uncredited)
Felisha Terrell Beautiful Woman
Scott Rudin Producer
Victor J. Zolfo Set Decoration
Monique Edwards Bank Teller
Josh Pence Tyler Winklevoss (Body Double)
Michael De Luca Producer
Bob Wagner First Assistant Director
Trent Reznor Original Music Composer
Allen Kupetsky Second Assistant Director
Carey Len Smith Post Production Supervisor
Linda Flowers Hair Department Head
Ann Pala Makeup Artist
Peter Holden Facebook Lawyer
Michael Stevenson Additional Second Assistant Director
Peter Rosenfeld Camera Operator
Caitlin Gerard Ashleigh
Randall D. Wilkins Set Designer
Andrew Thacher Policeman
Marcella Lentz-Pope Erica's Roommate
Ceán Chaffin Producer