Tommy Lee Jones as Howard Hughes

Ed Flanders as Noah Dietrich

James Hampton as Wilbur Peterson

Tovah Feldshuh as Katharine Hepburn

Lee Purcell as Billie Dove

Jim Antonio as George

Sorrell Booke as Fiorello LaGuardia

Marty Brill as Lewis Milestone

Marla Carlis as Jane Russell

Denise Galik as Shirley Whitehead

Howard Hesseman as Jenks

Roy Engel as Production Manager

Arthur Franz as Barnes

Thayer David as Floyd Odlum

Barry Atwater as Sen. Brewster

William Dozier as Sen. Ferguson

Art Gilmore as Newsreel Announcer

John S. Ragin as McKenna

Bert Williams as Mr. Hardesty

Lee de Broux as Jimmy

Tannis G. Montgomery as Mrs. Hughes

Walter O. Miles as Gen. Hap Arnold

Garry Walberg as Henry J. Kaiser

Carol Bagdasarian as Jean Peters

Bart Burns as Robert Maheu

Barney Phillips as Saunders

James Bacon as James Bacon

Ray Ballard as Forbes

Robert Baron as Lewis

James Beach as Assistant Cutter

Morgan Brittany as Ella Hughes

Susan Buckner as Jean Harlow

Ray Buktenica as Public Relations Man

Sid Conrad as Gresham

Jack Denbo as Chauffeur

John Dennis as Cutter

Steve Doubet as Harris

Shay Duffin as Butler

S. John Launer as Doctor

Joel Lawrence as Emcee

Andy Romano as Roy Cruickshank

Jette Seear as Greta Nissen

John Bellah as Station Attendant

Thom Carney as Guard

Peter Dane as Rudy DeMarco

Hal England as Reeves

Gene Handsaker as Gene Handsaker

Ed Harris as Russ

Ted Hartley as Attorney

Wayne Heffley as Dr. Bergman

Russ McGinn as Sheriff

Marvin G. Miles as Marvin G. Miles

Ken Sansom as Hospital Administrator

Ken Scott as Vernon Scott

Dave Shelley as Government Official

Wayne Thomas as Wayne Thomas

Jerome Thor as Counsel