Liev Schreiber

Character: Orson Welles

James Cromwell

Character: William Randolph Hearst

Melanie Griffith

Character: Marion Davies

John Malkovich

Character: Herman Mankiewicz

Liam Cunningham

Character: Gregg Toland

David Suchet

Character: Louis B. Mayer

Fiona Shaw

Character: Hedda Hopper

Anastasia Hille

Character: Carole Lombard

Brenda Blethyn

Character: Louella Parsons

Roy Scheider

Character: George Schaefer

Roger Allam

Character: Walt Disney

Simeon Andrews

Character: John Houseman

William Armstrong

Character: Mr. Lewis

Jay Benedict

Character: Darryl Zanuck

Ron Berglas

Character: David O. Selznick

Paul Birchard

Character: Top Brass #2

Neil Conrich

Character: Mr. Thomson

Michael Cronin

Character: Joseph Willicombe

Sarah Franzl

Character: Dorothy Comingore

Briony Glassco

Character: Script Girl

Louis Hammond

Character: Flunkie #2

Aaron Keeling

Character: Young Orson Welles

Joseph Long

Character: Harry Cohn

Gareth Marks

Character: Top Brass #1

Olivier Pierre

Character: Sam Goldwyn

Roger Rose

Character: News Reader

Rolf Saxon

Character: Flunkie #1

Adrian Schiller

Character: Paul Stewart

Kerry Shale

Character: Bernard Herrmann

Cyril Shaps

Character: Jeweller

Tusse Silberg

Character: Welles' Mother

Toby Whithouse

Character: Sound Technician

Tim Woodward

Character: Jack Warner

Angus Wright

Character: Joseph Cotten

Bobby Valentino

Character: Clark Gable