Gary Oldman character Herman Mankiewicz
Amanda Seyfried character Marion Davies
Lily Collins character Rita Alexander
Tom Pelphrey character Joseph Mankiewicz
Arliss Howard character Louis B. Mayer
Tuppence Middleton character Sara Mankiewicz
Monika Gossmann character Fräulein Frieda
Joseph Cross character Charles Lederer
Sam Troughton character John Houseman
Toby Leonard Moore character David O. Selznick
Tom Burke character Orson Welles
Charles Dance character William Randolph Hearst
Ferdinand Kingsley character Irving Thalberg
Jamie McShane character Shelly Metcalf
Jack Romano character Sid Perelman
Adam Shapiro character George S. Kaufman
John Churchill character Charles MacArthur
Jeff Harms character Ben Hecht
Derek Petropolis character Eddie Cantor
Sean Persaud character Tommy
Paul Fox character Josef Von Sternberg
Tom Simmons character Doctor
Nick Job character John Gilbert
Colin Ward character Older Man
Cooper Tomlinson character Younger Man
Julie Collis character Female Starlet
Arlo Mertz character Child Star
Craig Welzbacher character Rexford Tugwell
Jessie Cohen character Norma Shearer Thalberg
Desiree Louise character Irene Selznick
Amie Farrell character Mrs. Meyer
Ian Boyd character Slim
Jay Villwock character C.C.
Lou George character Ed the Gate Guard
John Lee Ames character Grady
Bill Nye character Upton Sinclair
Richmond Arquette character Heckler
David Lee Smith character Sinclair Supporter
Mario Di Donato character A Man's Voice (voice)
James Patrick Duffy character Another Man
Flo Lawrence character Maude Anderson
Randy Davison character Maître D
Christian Prentice character Emcee
Leven Rambin character Eve - Shelly's Girlfriend
Rick Pasqualone character Singer
Gary Teitelbaum character Rabbi
Eden Wattez character Joanna Mankiewicz - Age 2
Roslyn Cohn character Elmma Wilson
Mark Fite character James Wilson
John Patrick Jordan character Best Original Screenplay Announcer
Ben Mankiewicz character Broadcaster, Academy Awards
Natalie Denise Sperl character Movie Star #2
Brian Michael Jones character Aide - Ben
Camille Montgomery character Starlet #1
Craig Robert Young character Charlie Chaplin
Paul Carafotes character Assistant Director
Anne Beyer character Female Party Goer
Joey Hagler character Male Party Goer
Sean Donnellan character Martin Butler
Stewart Skelton character News Reel I
Malachi Rivers character News Reel II
Keith Barber character News Reel III
Kaytlin Borgen character Mayer's Secretary
Madison West character Starlet #2
Elvy Yost character Starlet #3
Ali Axelrad character Starlet #4
Adrienne Evans character Wife #1
Dana Lyn Baron character Wife #3
Jaclyn Bethany character Typist (uncredited)
Cary Christopher character Young Joseph Mankiewicz (uncredited)
Scarlet Cummings character Bette Davis (uncredited)
Alex Leontev character Writer (uncredited)
Matteo Menzies character Frank Mankiewicz (uncredited)
Tyler Schweer character Don Mankiewicz (uncredited)
Michelle Twarowska character Joan Crawford (uncredited)
Kingston Vernes character Young Herman Mankiewicz (uncredited)
Adam Woldtvedt character Flower Guy (uncredited)
Sebastian Faure character Movie Star #1