Joe Mazzello

By JUSTIN KROLL

Joe Mazzello has joined David Fincher's "The Social Network," which is based on the creation of the social networking website Facebook and its founders. He joins a cast that already includes Jesse Eisenberg and Justin Timberlake. 

Aaron Sorkin is writing the script while Scott Rudin, Michael De Luca and Dana Brunetti are producing. Mazzello can be seen next in HBO's "The Pacific."