Netflix has released the official trailer for Mank, which transports Oscar-winner Gary Oldman and an equally starry cast back to 1930s Hollywood. Why? Well, because director David Fincher is interested in examining the making of one of the biggest movies ever made, Orson Welles' Citizen Kane, and the drama surrounding the life of its screenwriter, Herman Mankiewicz. [caption id="attachment_926343" align="alignright" width="360"] Image via Netflix[/caption] Building on the first trailer, the official Mank trailer goes even deeper into teasing the many troubles swirling around Herman "Just call me Mank" Mankiewicz (Oldman). Yes, there's the promises …