Twitter.com – Follow Us! The Social Network hits theaters on October 1st, 2010. Cast: Jesse Eisenberg, Justin Timberlake, Andrew Garfield, Rashida Jones, Max Minghella, Rooney Mara, Dakota Johnson, Brenda Song, Armie Hammer, Josh Pence A movie about the founders of the popular social networking site Facebook. Eisenberg will play Facebook CEO Mark Zuckerberg; Timberlake will play Sean Parker, the Napster co-founder who became Facebook’s founding president; and Andrew Garfield will play Eduardo Saverin, the Facebook co-founder who fell out with Zuckerberg over money. The Social Network clip courtesy Columbia Pictures.