Follows screenwriter Herman J. Mankiewicz’s tumultuous development of Orson Welles’ iconic masterpiece Citizen Kane (1941). The story centers on the life of Herman J. Mankiewicz as he writes the screenplay for Citizen Kane, as well as his personal relationships with William Randolph Hearst and Marion Davies. Mank is a 2020 American biographical drama film about screenwriter Herman J. Mankiewicz and his development of the script for Citizen Kane (1941). Directed by David Fincher, based on a screenplay by his late father Jack Fincher, the film is produced by Ceán Chaffin, Douglas Urbanski, and Eric Roth. It stars Gary Oldman in the title role, along with Amanda Seyfried, Lily Collins, Arliss Howard, Tom Pelphrey, Sam Troughton, Ferdinand Kingsley, Tuppence Middleton, Tom Burke, Joseph Cross, Jamie McShane, Toby Leonard Moore, Monika Gossmann, and Charles Dance.