Margot Robbie Nellie LaRoy
Brad Pitt Jack Conrad
Olivia Wilde Ina Conrad
Tobey Maguire James McKay, Executive Producer
Samara Weaving Constance Moore
Eric Roberts Robert Roy
Katherine Waterston Estelle
Lukas Haas George Munn
Jean Smart Elinor St. John
Sarah Ramos Harriet Rothschild
Chris Reid Stunts, Stunt Double
Ann Scott Stunts
Damien Chazelle Director, Writer
Max Minghella Irving Thalberg
Phoebe Tonkin Jane Thornton
Jeff Garlin Don Wallach
Patrick Fugit Officer Elwood
Li Jun Li Lady Fay Zhu, Songs
Diego Calva Manny Torres
Jennifer Grant Mildred Yates
Ethan Suplee Wilson
P.J. Byrne Max (Ruth's Assistant Director)
Lewis Tan Smoking Man (uncredited)
Chloe Fineman Marion Davies
Flea Bob Levine
Spike Jonze Otto (uncredited)
David Ury Fan (Autograph)
Andy Nelson Sound Re-Recording Mixer
Frederick Koehler D.P. Bill (1st Day of Sound)
Bob Clendenin Otto's Assistant Director
Jovan Adepo Sidney Palmer
Taylor Hill Rebecca
Francine Maisler Casting
Taylor Nichols Wealthy Man
Zack Duhame Stunt Double
Kaia Gerber Starlet
Mike Manning New York Fan (uncredited)
Sean O'Bryan Studio Executive (Billy)
Lauren Mary Kim Stunts
Marc Platt Producer
Miraj Grbić Extra
Todd Giebenhain Prop Master (Kinoscope)
Rory Scovel The Count
John Mariano Master of Ceremonies
Robert Morgan Director (Wallach's Party)
Jimmy Ortega Elephant Wrangler
E.E. Bell Wilbur
Pete Ploszek Young Actor (Jack's Beach Set)
Chris Palermo Stunt Driver
Caryn Mower Stunts
Jeremy Roberts Studio Employee (Sidney's House)
Justin Hurwitz Original Music Composer
Olivia Hamilton Producer, Ruth Adler
Joe Dallesandro Charlie / Photographer (Wallach's Party)
Wyck Godfrey Executive Producer
Mary Zophres Costume Design
Danny Downey Stunts
Pat Skipper William Randolph Hearst
Chad Guerrero Stunt Double
Dan O'Connell Foley Artist
Terry Walters Editor (Kinoscope)
Mandy Moore Choreographer
Mather Zickel Distribution Executive
Jalil Jay Lynch Stunt Driver
Joey de Leon Percussion
John T. Cucci Foley Artist
Yissendy Trinidad Carmelita
Ric Sarabia Crew Member (1st Day of Sound)
Mallory Thompson Stunts
Cici Lau Gho Zhu
Doug Coleman Stunt Coordinator
Jeffrey Harlacker Co-Producer