Cast

Jesse Eisenberg Mark Zuckerberg
Justin Timberlake Sean Parker
Andrew Garfield Eduardo Saverin
Rashida Jones Marilyn Delpy
Josh Pence Tyler Winklevoss
Brenda Song Christy
Denise Grayson Gretchen
Douglas Urbanski Larry Summers
Rooney Mara Erica Albright
Bryan Barter Billy Olsen
Patrick Mapel Chris Hughes
Marybeth Massett Mrs. Cox
Henry Roosevelt Henry
Nick Smoke KC's Friend
Cali Fredrichs KC's Friend
Steve Sires Speaker/Bill Gates
Dakota Johnson Amelia Ritter
Mariah Bonner Tori
Alex Reznik Prince Albert's Aide
John Hayden Howard Winklevoss
Wallace Langham Peter Thiel
Cayman Grant Peter Thiel's Assistant
Caitlin Gerard Ashleigh