Brad Pitt Jack Conrad
Olivia Wilde Ina Conrad
Eric Roberts Robert Roy
Margot Robbie Nellie LaRoy
Samara Weaving Constance Moore
Tobey Maguire James McKay, Executive Producer
Chris Reid Stunts, Stunt Double
Jean Smart Elinor St. John
P.J. Byrne Max (Ruth's Assistant Director)
Katherine Waterston Estelle
Max Minghella Irving Thalberg
Damien Chazelle Director, Writer
Li Jun Li Lady Fay Zhu, Songs
Lukas Haas George Munn
Sarah Ramos Harriet Rothschild
Patrick Fugit Officer Elwood
Phoebe Tonkin Jane Thornton
Kaia Gerber Starlet
Flea Bob Levine
Chloe Fineman Marion Davies
Lewis Tan Smoking Man (uncredited)
Ethan Suplee Wilson
Diego Calva Manny Torres
Jeff Garlin Don Wallach
Jovan Adepo Sidney Palmer
Andy Nelson Sound Re-Recording Mixer
Spike Jonze Otto (uncredited)
David Ury Fan (Autograph)
Frederick Koehler D.P. Bill (1st Day of Sound)
Justin Hurwitz Original Music Composer
Zack Duhame Stunt Double
Heba Thorisdottir Makeup Department Head
Taylor Nichols Wealthy Man
Marc Platt Producer
Sean O'Bryan Studio Executive (Billy)
Jeremy Roberts Studio Employee (Sidney's House)
Jennifer Grant Mildred Yates
Mike Manning New York Fan (uncredited)
Rory Scovel The Count
Joe Dallesandro Charlie / Photographer (Wallach's Party)
Pete Ploszek Young Actor (Jack's Beach Set)
Florencia Martin Production Design
John Mariano Master of Ceremonies
Olivia Hamilton Producer, Ruth Adler
Hannah Betts Stunt Driver
Doug Coleman Stunt Coordinator
Mary Zophres Costume Design
Chris Doubek Guest at Hearst Bungalow
Francine Maisler Casting
J.C. Currais Truck Driver
Todd Giebenhain Prop Master (Kinoscope)
Mather Zickel Distribution Executive
Marcos A. Ferraez Police Officer
Bob Clendenin Otto's Assistant Director
Shane Powers Dale
Richard Burden Stunt Driver
Danny Downey Stunts
Taylor Hill Rebecca
Miraj Grbić Extra
Robert Morgan Director (Wallach's Party)
Anthony Carlino Set Decoration
Circus-Szalewski Driver (Wallach's Party)
E.E. Bell Wilbur
Chris Grabher Stunts
Mallory Thompson Stunts
Joey de Leon Percussion
Amber Wakefield Casting Associate
Lauren Mary Kim Stunts
Jimmy Ortega Elephant Wrangler
John Kerry Jonathan Rothschild
Ai-Ling Lee Sound Re-Recording Mixer, Sound Designer
Lee Gilmore Sound Effects Editor