Adam Scott Johnny Meyer
Willem Dafoe Roland Sweet
Leonardo DiCaprio Howard Hughes, Executive Producer
Cate Blanchett Katharine Hepburn
Kate Beckinsale Ava Gardner
Martin Scorsese Director, Executive Producer
Danny Huston Jack Frye
Jude Law Errol Flynn
Frances Conroy Mrs. Hepburn
Alec Baldwin Juan Trippe
John C. Reilly Noah Dietrich
Alan Alda Senator Ralph Owen Brewster
Thelma Schoonmaker Editor
Ian Holm Professor Fitz
Michael Mann Producer
Dante Ferretti Production Design
Brent Spiner Robert Gross
Kelli Garner Faith Domergue
Gwen Stefani Jean Harlow
John Logan Writer
Kenneth Welsh Dr. Hepburn
Matt Ross Glenn Odekirk
Graham King Producer
J.C. MacKenzie Ludlow
Harvey Weinstein Executive Producer
Edward Herrmann Joseph Breen
Kevin O'Rourke Spencer Tracy
Keith Campbell Marine, Stunts
Stanley DeSantis Louis B. Mayer
Arthur Holden Radio Announcer
Yves Jacques Waiter
Petur Hliddal Sound Mixer
Doug Coleman Stunt Coordinator
Vincent Laresca Jorge
Robert Richardson Director of Photography
Joe Chrest HELL'S ANGELS Director of Photography
Howard Shore Original Music Composer
Amy Sloan Howard Hughes' Mother
George A. Lara Foley Mixer
Nellie Sciutto Secretary
Robert Stromberg Visual Effects Supervisor
Robert Legato Visual Effects Supervisor, Second Unit Director
Jacob Davich Howard Hughes (9 yrs old)
Jason Cavalier Cocoanut Grove Patron
Emma Campbell Jack Frye's Wife, Helen
Sandy Powell Costume Design
Bob Weinstein Executive Producer
Tom Fleischman Sound Re-Recording Mixer
Eliza Coleman Stunts
Michael Jackman Post Production Supervisor
Allan Padelford Stunt Driver
Francesca Scorsese Little Girl
Francesca Lo Schiavo Set Decoration
Duncan Jarman Prosthetic Makeup Artist
Josie Maran Cigarette Girl
Joe Cobden Another Guest #1
Randall Poster Music Supervisor
Chris Lyons Special Effects Makeup Artist
Donna Keegan Stunts
Stéphane Demers Maitre d'
Sam Hennings HELL'S ANGELS Stunt Coordinator
Dana Gonzales Additional Camera
Ellen Lewis Casting
Dan Perri Title Designer
Eugene Gearty Supervising Sound Editor, Sound Designer
Alan Fawcett Chairman MPA
Jacob Ribicoff Foley Editor
Linda E. Smith Another Guest #2
Loudon Wainwright III Cocoanut Grove Vocalist #2
Philip Stockton Supervising Sound Editor
Al Coronel Bi-Plane Mechanic (uncredited)
Joey Box Stunts