Leonardo DiCaprio Howard Hughes, Executive Producer
Willem Dafoe Roland Sweet
Cate Blanchett Katharine Hepburn
Kate Beckinsale Ava Gardner
Martin Scorsese Director, Executive Producer
Jude Law Errol Flynn
Alec Baldwin Juan Trippe
Harvey Weinstein Executive Producer
Adam Scott Johnny Meyer
Ian Holm Professor Fitz
Danny Huston Jack Frye
Alan Alda Senator Ralph Owen Brewster
Michael Mann Producer
John C. Reilly Noah Dietrich
John Logan Writer
Frances Conroy Mrs. Hepburn
Edward Herrmann Joseph Breen
Brent Spiner Robert Gross
Arthur Holden Radio Announcer
Kenneth Welsh Dr. Hepburn
Joe Chrest HELL'S ANGELS Director of Photography
Donna Keegan Stunts
J.C. MacKenzie Ludlow
Jacob Davich Howard Hughes (9 yrs old)
Kelli Garner Faith Domergue
Gwen Stefani Jean Harlow
Matt Ross Glenn Odekirk
Thelma Schoonmaker Editor
Graham King Producer
Amy Sloan Howard Hughes' Mother
Bob Weinstein Executive Producer
Emma Campbell Jack Frye's Wife, Helen
Keith Campbell Marine, Stunts
Joe Cobden Another Guest #1
Howard Shore Original Music Composer
Kevin O'Rourke Spencer Tracy
Robert Richardson Director of Photography
Francesca Scorsese Little Girl
Toby Bronson Set Costumer
Alan Fawcett Chairman MPA
Josie Maran Cigarette Girl
Linda E. Smith Another Guest #2
Vincent Laresca Jorge
Sam Hennings HELL'S ANGELS Stunt Coordinator
Ellen Lewis Casting
Antonella Elia (uncredited)
Joey Box Stunts
Dan Maag Line Producer
David Purdham Emcee
Chris Lyons Special Effects Makeup Artist
Allan Padelford Stunt Driver
Matt Holland Hughes' Staff Person
Joseph P. Reidy Co-Producer, First Assistant Director, Aide to Howard
Eliza Coleman Stunts
Doug Coleman Stunt Coordinator
Randall Poster Music Supervisor
Michael Miller ADR Mixer
Nathaniel De'Lineadeus Special Effects Makeup Artist
James Bradford Uncle Willy
Jean Frenette Stunt Coordinator
Chris Ufland Engineer
Robert Stromberg Visual Effects Supervisor
Alan Toy Man on Crutches
Al Coronel Bi-Plane Mechanic (uncredited)
Harry Standjofski Crony of Louis B. Mayer
Jason Cavalier Cocoanut Grove Patron
Dante Ferretti Production Design
Robert Legato Visual Effects Supervisor, Second Unit Director
Nellie Sciutto Secretary
Stéphane Byl Electrician
Justin Shilton HELL'S ANGELS Pilot
Yves Jacques Waiter