Leonardo DiCaprio Howard Hughes, Executive Producer
Willem Dafoe Roland Sweet
Kate Beckinsale Ava Gardner
Cate Blanchett Katharine Hepburn
Martin Scorsese Director, Executive Producer
Jude Law Errol Flynn
Alec Baldwin Juan Trippe
Adam Scott Johnny Meyer
Danny Huston Jack Frye
Ian Holm Professor Fitz
Harvey Weinstein Executive Producer
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
Kelli Garner Faith Domergue
Kenneth Welsh Dr. Hepburn
Joe Chrest HELL'S ANGELS Director of Photography
Graham King Producer
Donna Keegan Stunts
J.C. MacKenzie Ludlow
Bob Weinstein Executive Producer
Sam Hennings HELL'S ANGELS Stunt Coordinator
Gwen Stefani Jean Harlow
Jacob Davich Howard Hughes (9 yrs old)
Vincent Laresca Jorge
Matt Ross Glenn Odekirk
Keith Campbell Marine, Stunts
Joseph P. Reidy Co-Producer, First Assistant Director, Aide to Howard
Amy Sloan Howard Hughes' Mother
Thelma Schoonmaker Editor
Joey Box Stunts
Robert Legato Visual Effects Supervisor, Second Unit Director
Toby Bronson Set Costumer
Francesca Scorsese Little Girl
Joe Cobden Another Guest #1
Howard Shore Original Music Composer
Robert Richardson Director of Photography
Emma Campbell Jack Frye's Wife, Helen
Jason Cavalier Cocoanut Grove Patron
Alan Fawcett Chairman MPA
Josie Maran Cigarette Girl
Dante Ferretti Production Design
Chris Lyons Special Effects Makeup Artist
Kevin O'Rourke Spencer Tracy
Linda E. Smith Another Guest #2
Nellie Sciutto Secretary
Antonella Elia (uncredited)
Sandy Powell Costume Design
Fred Rosenberg Dialogue Editor
Dan Maag Line Producer
Ellen Lewis Casting
Allan Padelford Stunt Driver
Matt Holland Hughes' Staff Person
Doug Coleman Stunt Coordinator
Robert Stromberg Visual Effects Supervisor
Randall Poster Music Supervisor
Nathaniel De'Lineadeus Special Effects Makeup Artist
Philip Stockton Supervising Sound Editor
Jean Frenette Stunt Coordinator
Marko Costanzo Foley, Foley Artist
Harry Standjofski Crony of Louis B. Mayer
R. Bruce Steinheimer Special Effects Supervisor
Eliza Coleman Stunts
Duncan Jarman Prosthetic Makeup Artist
Stanley DeSantis Louis B. Mayer
Chris Fielder Assistant Sound Editor
Eugene Gearty Supervising Sound Editor, Sound Designer