Leonardo DiCaprio
Howard Hughes
Cate Blanchett
Katharine Hepburn
Kate Beckinsale
Ava Gardner
John C. Reilly
Noah Dietrich
Alec Baldwin
Juan Trippe
Alan Alda
Senator Ralph Owen Brewster
Ian Holm
Professor Fitz
Danny Huston
Jack Frye
Gwen Stefani
Jean Harlow
Jude Law
Errol Flynn
Adam Scott
Johnny Meyer
Matt Ross
Glenn Odekirk
Kelli Garner
Faith Domergue
Frances Conroy
Mrs. Hepburn
Brent Spiner
Robert Gross
Stanley DeSantis
Louis B. Mayer
Edward Herrmann
Joseph Breen
Willem Dafoe
Roland Sweet
Kenneth Welsh
Dr. Hepburn
J.C. MacKenzie
Ludlow
Jacob Davich
Howard Hughes (9 yrs old)
Amy Sloan
Howard Hughes' Mother
Sam Hennings
HELL'S ANGELS Stunt Coordinator
Joe Chrest
HELL'S ANGELS Director of Photography
Rufus Wainwright
Cocoanut Grove Vocalist #1
Harry Strandjofski
Crony of Louis B. Mayer
Vince Giordano
Cocoanut Grove Band Member
Josie Maran
Cigarette Girl
Justin Shilton
HELL'S ANGELS Pilot
Arthur Holden
Radio Announcer
Joseph P. Reidy
Aide to Howard
Stéphane Demers
Maitre d'
Yves Jacques
Waiter
Loudon Wainwright III
Cocoanut Grove Vocalist #2
Jason Cavalier
Cocoanut Grove Patron
Chris Ufland
Engineer
Alan Toy
Man on Crutches
Sebastian Tillinger
Timer
Francesca Scorsese
Little Girl
James Bradford
Uncle Willy
Joe Cobden
Another Guest #1
Linda E. Smith
Another Guest #2
Alan Fawcett
Chairman MPA
David Purdham
Emcee
Kevin O'Rourke
Spencer Tracy
Lisa Bronwyn Moore
Noah's Wife
Emma Campbell
Jack Frye's Wife, Helen
Vincent Laresca
Jorge
Matt Holland
Hughes' Staff Person
Keith Campbell
Marine
James Rae
FBI Agent
Nellie Sciutto
Secretary
Terry Haig
Another Senator
John Koensgen
Pan Am Executive #2
Heather Petrone
Vivien Leigh (uncredited)
Danielle Franke
Esquire Starlet (uncredited)
Elizabeth DeCicco
Starlet (uncredited)
Elisa Dyann
Coat Check Girl (uncredited)
Isabelle Champeau
Editor (uncredited)
Al Coronel
Bi-Plane Mechanic (uncredited)
Anne V. Coates
Howard Hughes' Film Editor (uncredited)
