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