"Columbia Pictures and director David Fincher have set its core cast for “The Social Network,” the Aaron Sorkin-scripted drama about the formation of Facebook.

Jesse Eisenberg will play founder 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 as the social network became a financial juggernaut." (Source: Variety)

Timberlake is also working on Rihanna's upcoming album which is rumored to be dropping in late November.