Warren Beatty Howard Hughes Director, Actor, Screenwriter, Producer Lily Collins Marla Mabrey Actor Alden Ehrenreich Frank Forbes Actor Annette Bening Lucy Mabrey Actor Matthew Broderick Levar Mathis Actor Alec Baldwin Robert Maheu Actor Haley Bennett Mamie Murphy Actor Candice Bergen Nadine Henly Actor Dabney Coleman Raymond Holliday Actor Steve Coogan Colonel Nigel Briggs Actor Ed Harris Mr. Bransford Actor Megan Hilty Sally Actor Oliver Platt Forester Actor Martin Sheen Noah Dietrich Actor Paul Sorvino Vernon Scott Actor Taissa Farmiga Sarah Bransford Actor Patrick Fischler Director Actor Arnon Milchan Producer Brett Ratner Producer James Packer Producer Christopher Woodrow Producer Frank Giustra Producer Steve Bing Producer Terry Semel Producer Caleb Deschanel Cinematographer Billy Weber Film Editor Brian Scofield Film Editor Leslie Jones Film Editor Robin Gonsalves Film Editor Jeannine Oppewall Production Design Albert Wolsky Costume Designer David Rubin Casting