Brad Pitt
as Jack Conrad

Margot Robbie
as Nellie LaRoy

Diego Calva
as Manny Torres

Jean Smart
as Elinor St. John

Flea
as Bob Levine

Jovan Adepo
as Sidney Palmer

J.C. Currais
as Truck Driver

Jimmy Ortega
as Elephant Wrangler

Hansford Prince
as Joe Holiday

Telvin Griffin
as Reggie

Olivia Wilde
as Ina Conrad

Circus-Szalewski
as Driver (Wallach's Party)

Lukas Haas
as George Munn

Li Jun Li
as Lady Fay Zhu

Kaia Gerber
as Starlet

Patrick Fugit
as Officer Elwood

Eric Roberts
as Robert Roy

Cici Lau
as Gho Zhu

Tyler Seiple
as Customer at Sam Wong's

Zack Newick
as P.A. (Early Kinoscope)

Rory Scovel
as The Count

Olivia Hamilton
as Ruth Adler

P.J. Byrne
as Max (Ruth's Assistant Director)

Alexandre Chen
as Ruth's D.P. (James Wong Howe)

Bob Clendenin
as Otto's A.D.

Miraj Grbić
as Extra

Johnny Hoops
as Extra

James Wellington
as Extra

Carlos Nunez
as Tim

Laura Steinel
as Abby (Assistant Jack's Tent)

Danny Jolles
as Writer (Jack's Tent)

James Vincent
as Employee (Camera Rental House)

Richard Clarke Larsen
as A.C. (Camera Rental House)

Max Minghella
as Irving Thalberg

Samara Weaving
as Constance Moore

Jeff Garlin
as Don Wallach

Anthony Burkhalter
as Reporter (Small Restaurant)

Terry Walters
as Editor (Kinoscope)

Trisha Simmons
as Woman at Door

Ariel Flores
as Young Man

Karolina Szymczak
as Olga Putti

Sean O'Bryan
as Studio Executive (Billy)

David Ury
as Fan (Autograph)

Katia Gomez
as Nurse at Sanatorium

Vanessa Bednar
as Nellie's Mother

Carson Higgins
as Lloyd (Sound Mixer)

Armando Cosio
as Grip Harry (1st Day of Sound)

Frederick Koehler
as D.P. Bill (1st Day of Sound)

Spencer Morgan
as Clapper (1st Day of Sound)

Ric Sarabia
as Crew Member (1st Day of Sound)

Jim Allen Jackson
as Set Medic (1st Day of Sound)

Katherine Waterston
as Estelle

Yissendy Trinidad
as Carmelita

Cyrus Hobbi
as Football Player

Anton Hedayat
as Football Player

Hayley Huntley
as Liz (Pool Party)

John Mariano
as Master of Ceremonies

Christopher Allen
as Manny's Assistant

Arely Vianet
as Spanish Language Actress

Jeremy Roberts
as Studio Employee (Sidney's House)

Alex Reznik
as Kinoscope Executive

Chloe Fineman
as Marion Davies

Pat Skipper
as William Randolph Hearst

John Kerry
as Jonathan Rothschild

Sarah Ramos
as Harriet Rothschild

Jennifer Grant
as Mildred Yates

Julian Lefevre
as Waiter

Taylor Nichols
as Wealthy Man

Bryan Scott Johnson
as Wealthy Mann

Kelly Meyer
as Wealthy Woman

Brenna Power
as Wealthy Woman

David Abed
as Young Studio Executive

Kevin Symons
as Guest at Hearst Bungalow

Jonathan Thomson
as Guest at Hearst Bungalow

Jim O'Brien
as Guest at Hearst Bungalow

Chris Doubek
as Guest at Hearst Bungalow

Dorian Martin
as Production Assistant

Todd Giebenhain
as Prop Master (Kinoscope)

Mather Zickel
as Distribution Executive

Ireland Sexton
as Thalberg's Secretary

Andrew Hawtrey
as Kinoscope Assistant Director

Mike Fletcher
as Guard (Kinoscope)

Jonathan Ohye
as New MGM Assistant Director

James Crittenden
as Harold

Pete Ploszek
as Young Actor (Jack's Beach Set)

Robert Beitzel
as Lewis the Director

Ethan Suplee
as Wilson

Walker Hare
as McKay's Associate

Douglas Fruchey
as Masked Man

Taylor Hill
as Rebecca

Marc Platt
as Producer

Stephen Thomas
as Tourism Official

Sophia Magaña
as Manny's Daughter

Karen Bethzabe
as Silvia Torres

Oscar Balderrama
as Guard at Gate

Aurielle Simmons
as Ticket Clerk (1952)

Eamon Hunt
as Man Shouting in Bad Irish Accent

Kenajuan Bentley
as Conductor (Night Club)

John Macey
as Kyle

Marcos A. Ferraez
as Police Officer

Phoebe Tonkin
as Jane Thornton

Troy Metcalf
as Orville Pickwick

Albert Hammond Jr.
as Guest (Chicken Line)

Cutty Cuthbert
as Jimmy

Bregje Heinen
as Female Guest (Nathalie)

Dana Marcolina
as Female Guest (Jack Tattoo)

Tal Seder
as Male Guest (Wallach's)

Robert Morgan
as Director (Wallach's Party)

Nana Ghana
as Woman in Ostrich Feather Hat

Joe Dallesandro
as Charlie / Photographer

E.E. Bell
as Wilbur

Sol Landerman
as Publicity Executive (Wallach's Party)

Karina Fontes
as Jen

Tobey Maguire
as James McKay

Shane Powers
as Dale

David Lau
as Sam Wong Zhu

Noah Reilly
as Bellhop

Jeremy Lappitt
as Piccolo

Robert Verdi
as Flute

Kenneth Foerch
as Oboe

Sean Franz
as Oboe

Jonathan Stehney
as Bassoon

Andrew Leonard
as Clarinet

Richard Dobeck
as Clarinet

Alex Budman
as Clarinet

Jacob Scesney
as Clarinet / Saxophone

Frank Fontaine
as Clarinet / Saxophone

Anibal Seminario
as Clarinet

Scott Mayo
as Saxophone

Dan Kaneyuki
as Saxophone

Alex Sadnik
as Saxophone

John Mitchell
as Saxophone

Gerald Dixon
as Saxophone

Rickey D. Woodard
as Saxophone

Jonathan James Thompson
as Saxophone

Francis C. Edemobi
as Saxophone

Larry O. Williams
as Saxophone

Aaron Shaw
as Saxophone

Micah Wright
as Saxophone

Rayner Fernandez
as Saxophone

Glen Turner
as Saxophone

Roy Wiegand
as Trumpet

Bryce Schmidt
as Trumpet

Sean Billings
as Trumpet

Aaron O. Smith
as Trumpet

Justin Gilmore
as Trumpet

Johnny Britt
as Trumpet

Keith Beyer
as Trumpet

Luis Gonzalez
as Trumpet

Francisco Torres
as Trumpet

Gary Hickman
as Tuba

Steve Suminski
as Trombone

Wendell Kelly
as Trombone

Byron Sleugh
as Trombone

Ryan Porter
as Trombone

Jeffery Miller
as Trombone

Mykail McDade
as Trombone

William Roper
as Trombone

Philip Keen
as Trombone

Erm Navarro
as Trombone

Alvin Starks
as Trombone

Robert Murray
as Tuba

John Polite
as Tuba

Errol Rhoden III
as Tuba

Kyle Richter
as Tuba

Sidney Hopson
as Percussion

Ronald Bruner
as Percussion

Dramane Kone
as Percussion

Lyndon Rochelle
as Percussion

Joey de Leon
as Percussion

Dayramir Gonzàlez
as Percussion

Greg Sadler
as Percussion

Michael Naishtut
as Taiko Drum

Joseph Small
as Taiko Drum

Avery Baylin
as Taiko Drum

Jalen Harvey
as Steel Drums

Lara Wickes
as Theremin

Andrew Lederman
as Accordion / Piano

Karen Han
as Erhu

Justin Smith
as Banjo

Mateo Pollock
as Banjo

Hamed Santigui Camara
as Banjo

Brandon Owens
as Banjo / Guitar

John Fluker
as Piano

Jordan Seigel
as Piano

Ralph Nader
as Piano

Kevin Toney
as Piano

Eric Reed
as Piano

John Proulx
as Piano

Michael Bustamante
as Piano

Darrell Alston
as Piano

Evan Greer
as Guitar

Gregory Poree
as Guitar

Joshua Alfaro
as Guitar

Brent Tyler
as Drum Kit

Ian Wurfl
as Drum Kit

Keelan Tobia
as Drum Kit

Justin Hargrove
as Drum Kit

Greg Webster
as Drum Kit

Luis Vadel
as Drum Kit

Benjamin Jacobson
as Violin

Dean Anderson
as Violin

Joel Pargman
as Violin

Steve Huber
as Violin

Eric Boulanger
as Violin

Fernando Arroyo Lascurain
as Violin

Lora'nd Lokustza
as Violin

Michael Freed
as Violin

Robert Miskey
as Violin

Robin Olson
as Violin

Aaron Oltman
as Viola

Peter Hatch
as Viola

Phillip Triggs
as Viola

Rodney Wirtz
as Viola

Zach Dellinger
as Viola

Benjamin Hoffman
as Viola

Benjamin Penzner
as Viola

Alex Mansour
as Cello

Evgeny Tonkha
as Cello

Michael Kaufman
as Cello

Steve Velez
as Cello

Raymond Newell
as Cello

Del Atkins
as Bass

Edwin Livingston
as Bass

Miguel Norwood
as Bass

Frank Abraham
as Bass

Richard Simon
as Bass

Marlon Martinez
as Bass

Spike Jonze
as Otto (uncredited)

Lewis Tan
as Smoking Man (uncredited)

Manny Liotta
as Sneezing PA (uncredited)

Freya Parker
as Nude Extra (uncredited)

Anna Chazelle
as Bobbie Hart (uncredited)

Mike C. Manning
as New York Fan (uncredited)

Anna Dahl
as Ava (uncredited)

Jennifer Mariela Bermeo
as Dancer (uncredited)

Azizi Donnelly
as Beauty (uncredited)

Masha Ko
as Striptease Performer (uncredited)

Ana Bergman
as Beauty (uncredited)

Edwin Taylor
as Man with Tattoos (uncredited)