EXCLUSIVE: Mason Thames is set to join the ensemble cast of upcoming comedy The Shitheads, starring Dave Franco, O'Shea Jackson Jr. and Peter Dinklage. Macon Blair is writing and directing. Pic follows cynical degenerate Mark (Franco) and bumbling idealist Davis (Jackson) as they've both hit rock bottom. Paired for a job by a shady transport service, their task seems simple: transport Sheridan, a [...]