Aviator

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

Jude Law

Errol Flynn

Kelli Garner

Faith Domergue

Danny Huston

Jack Frye

Brent Spiner

Robert Gross

Willem Dafoe

Roland Sweet

Gwen Stefani

Jean Harlow

Adam Scott

Johnny Meyer

Matt Ross

Glenn Odekirk

Frances Conroy

Mrs. Hepburn

Stanley DeSantis

Louis B. Mayer

Keith Campbell

Marine

Amy Sloan

Howard Hughes's Mother

Kevin O'Rourke

Spencer Tracy

Nellie Sciutto

Secretary

Edward Herrmann

Joseph Breen

Kenneth Welsh

Dr. Hepburn

J. C. MacKenzie

Ludlow

Jacob Davich

Howard Hughes - 9 Years Old

Sam Hennings

Frank

Vince Giordano

Cocoanut Grove Band Member

Jason Cavalier

Cocoanut Grove Patron

Rufus Wainwright

Cocoanut Grove Vocalist #1

Loudon Wainwright III

Cocoanut Grove Vocalist #2

Martha Wainwright

Cocoanut Grove Vocalist #3

Al Dubois

Pan Am Executive #1

John Koensgen

Pan Am Executive #2

Harry Standjofski

Crony of Louis B. Mayer

Josie Maran

Cigarette Girl

Joe Chrest

Hell's Angels Director of Photography

Justin Shilton

Hell's Angels Pilot

Arthur Holden

Radio Announcer

Joseph P. Reidy

Aide to Howard

Stéphane Demers

Maitre d'

Yves Jacques

Waiter

Chris Ufland

Engineer

Sebastian Tillinger

Timer

James Bradford

Uncle Willy

Francesca Scorsese

Little Girl

Alan Toy

Man on Crutches

Joe Cobden

Another Guest #1

Linda E. Smith

Another Guest #2

David Purdham

Emcee

Alan Fawcett

Chairman MPA

Lisa Bronwyn Moore

Noah's Wife

Emma Campbell

Helen - Jack Frye's wife

Vincent Laresca

Jorge

Matt Holland

Hughes' Staff Person

Dennis St John

Nick the Custodian

Al Vandecruys

Doctor

James Rae

FBI Agent

Kathleen McAuliffe

Brewster's Maid

Terry Haig

Another Senator

Heather Petrone

non-renseigné

Danielle Franke

Esquire Starlet (non-crédité)

Meghan Elizabeth

Starlet (non-crédité)

Elizabeth DeCicco

Starlet (non-crédité)

Elisa Dyann

Coat Check Girl (non-crédité)

Isabelle Champeau

Editor (non-crédité)

Al Coronel

Bi-Plane Mechanic (non-crédité)