Columbia Pictures and director David Fincher have set the core cast for "
The Social Network," the Aaron Sorkin-scripted drama about the formation of Facebook.
Jesse Eisenberg will play Facebook CEO Mark Zuckerberg; Justin 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.