character - J. Daniel Atlas

character - David Kaplan

character - Young Male

character - Ralphie

character - Narrator

character - Toby Fleishman

character - Jerry

character - Lex Luthor

character - Marcel

character - David Brewster

character - Columbus

character - Tom

character - Casey

character - Vincent Zaleski

character - Lex Luthor (uncredited)

character - Self - Guest

character - J. Daniel Atlas

character - Bobby Dorfman

character - Lex Luthor

character - Self

character - Jonah Reed

character - Self

character - Mike Howell

character - David Lipsky

character - Josh Stamos

character - Simon James / James Simon

character - Blu (voice)

character - Self

character - Self

character - Tex

character - J. Daniel Atlas

character - Jesse Eisenberg

character - Self

character - Eric Dobbs (archive footage)

character - Eli

character - Eric Neal (voice) (uncredited)

character - Jack

character - Nick Davis

character - Blu (voice)

character - Self / Mark Zuckerberg

character - Self

character - Self

character - Self

character - Mark Zuckerberg

character - Daniel

character - Sam Gold

character - Lt. Fiske Hanley / Sgt. Benjamin McKinney

character - Columbus

character - Asher

character - Daniel Cheston

character - The Boy

character - James Brennan

character - Benjamin

character - Mark

character - Mills

character - Charlie Banks

character - Self

character - Self

character - Walt Berkman

character - Jesse Eisenberg

character - Jimmy

character - Jamison

character - Self

character - Louis Masoudi

character - Self

character - Self

character - Nick

character - Eric Dobbs

character - Self - Guest

character - Kenny Green

character - Self - Presenter

character - Self

character - Self - Guest

character - Self - Host

character - Self - Cameo (uncredited)