Kenneth Branagh Berowne Director, Actor, Writer Alessandro Nivola The King Actor Alicia Silverstone The Princess Actor Natascha McElhone Rosaline Actor Carmen Ejogo Maria Actor Matthew Lillard Longaville Actor Adrian Lester Dumaine Actor Emily Mortimer Katherine Actor Richard Briers Nathaniel Actor Geraldine McEwan Holofernia Actor Stefania Rocca Jacquanetta Actor Jimmy Yuill Dull Actor Nathan Lane Costard Actor Timothy Spall Don Armado Actor Anthony O'Donnell Moth Actor Daniel Hill Mercade Actor Richard Clifford Boyet Actor William Shakespeare Writer Guy East Executive Producer Alexis Lloyd Executive Producer Nigel Sinclair Executive Producer Bob Weinstein Executive Producer Harvey Weinstein Executive Producer Patrick Doyle Original Music George Gershwin Songs Dorothy Fields Songs Ira Gershwin Songs Oscar Hammerstein II Songs Jerome Kern Songs Jimmy McHugh Songs Alex Thomson Cinematographer Tim Harvey Production Design Mark Raggett Art Director Celia Bobak Set Decoration Anna Buruma Costume Design Neil Farrell Film Editing