Leonardo DiCaprio Howard Hughes, Executive Producer
Willem Dafoe Roland Sweet
Kate Beckinsale Ava Gardner
Jude Law Errol Flynn
Cate Blanchett Katharine Hepburn
Martin Scorsese Director, Executive Producer
Alan Alda Senator Ralph Owen Brewster
Alec Baldwin Juan Trippe
John C. Reilly Noah Dietrich
Adam Scott Johnny Meyer
Ian Holm Professor Fitz
Frances Conroy Mrs. Hepburn
Danny Huston Jack Frye
Michael Mann Producer
Edward Herrmann Joseph Breen
Brent Spiner Robert Gross
Harvey Weinstein Executive Producer
Kelli Garner Faith Domergue
Arthur Holden Radio Announcer
Joe Chrest HELL'S ANGELS Director of Photography
Jacob Davich Howard Hughes (9 yrs old)
Bob Weinstein Executive Producer
John Logan Writer
Kenneth Welsh Dr. Hepburn
Dante Ferretti Production Design
Joe Cobden Another Guest #1
Matt Ross Glenn Odekirk
J.C. MacKenzie Ludlow
Vincent Laresca Jorge
Gwen Stefani Jean Harlow
Howard Shore Original Music Composer
Joseph P. Reidy Co-Producer, Aide to Howard, First Assistant Director
Robert Richardson Director of Photography
Kevin O'Rourke Spencer Tracy
Dan Perri Title Designer
Thelma Schoonmaker Editor
Josie Maran Cigarette Girl
Sam Hennings HELL'S ANGELS Stunt Coordinator
Francesca Scorsese Little Girl
Robert Stromberg Visual Effects Supervisor
Amy Sloan Howard Hughes' Mother
Graham King Producer
James Bradford Uncle Willy
George A. Lara Foley Mixer
Ellen Lewis Casting
Al Coronel Bi-Plane Mechanic (uncredited)
Tim Monich Dialect Coach
Doug Coleman Stunt Coordinator
Emma Campbell Jack Frye's Wife, Helen
Robert Legato Visual Effects Supervisor, Second Unit Director
Stéphane Demers Maitre d'
Stanley DeSantis Louis B. Mayer
Eliza Coleman Stunts
Justin Shilton HELL'S ANGELS Pilot
Jean Frenette Stunt Coordinator
Chris Lyons Special Effects Makeup Artist
Aaron C. Fitzgerald Set Production Assistant
Michael Miller ADR Mixer
Morag Ross Makeup Department Head
Loudon Wainwright III Cocoanut Grove Vocalist #2
Cathy Scorsese Assistant Property Master
Alan Fawcett Chairman MPA
Randall Poster Music Supervisor
Dana Gonzales Additional Camera
Kurt Leitner Art Department Production Assistant
Siân Grigg Makeup Artist
Yves Jacques Waiter
Donna Keegan Stunts
Marissa Littlefield Supervising ADR Editor
Craig Hosking Aerial Coordinator
Lucie Robitaille Casting
Wyatt Sprague Sound Effects Editor