Liev Schreiber

as Orson Welles

James Cromwell

as William Randolph Hearst

Melanie Griffith

as Marion Davies

John Malkovich

as Herman Mankiewicz

Liam Cunningham

as Gregg Toland

David Suchet

as Louis B. Mayer

Fiona Shaw

as Hedda Hopper

Anastasia Hille

as Carole Lombard