Warren Beatty
Howard Hughes
Alden Ehrenreich
Frank Forbes
Matthew Broderick
Levar Mathis
Annette Bening
Lucy Mabrey
Haley Bennett
Mamie Murphy
Candice Bergen
Nadine Henly
Dabney Coleman
Raymond Holliday
Martin Sheen
Noah Dietrich
Amy Madigan
Mrs. Bransford
Taissa Farmiga
Sarah Bransford
Steve Coogan
Colonel Nigel Briggs
Paul Schneider
Richard Miskin
Chace Crawford
Young Actor
Eileen Ryan
Frank's Grandmother
Ron Perkins
Senator Ferguson
Peter MacKenzie
Gene Handsaker
Julio Oscar Mechoso
President Somoza
Hart Bochner
Colonel Willis
Caitlin Carver
Marla Lookalike
Steven Mnuchin
Merrill Lynch Executive
Ivar Brogger
T.V. Newsman #1
Karl Florine
Air Traffic Controller
Andrew M. Chukerman
Pianist
Michael Cavanaugh
Methodist Minister
Bruce Gray
Baptist Preacher
Marshall Bell
Colonel Maxwell
Kyle Bornheimer
Concerned Orderly
Geoff Pierson
Merrill Lynch Executive
Michael Badalucco
Solly the Barber
David 'Goldy' Goldsmith
Chef
James Gleason
Doctor Crone
Alan Daniels
Hughes Staffer
James Martin Kelly
Mobster
Luis Fernandez-Gil
Somoza's Aide
Joshua Malina
Herb (uncredited)
Billy Graham
Self (archive footage) (uncredited)
Robert E. Kerr
Hughes Staffer (uncredited)
Robert Ratinoff
Rolls Royce Chauffeur (uncredited)
Frank Scozzari
RKO Studio Executive (uncredited)