Ron Howard Director, Producer Chris Hemsworth James Hunt Actor Daniel Brühl Niki Lauda Actor Olivia Wilde Suzy Miller Actor Alexandra Maria Lara Marlene Lauda Actor Pierfrancesco Favino Clay Regazzoni Actor David Calder Louis Stanley Actor Natalie Dormer Nurse Gemma Actor Stephen Mangan Alastair Caldwell Actor Christian McKay Lord Hesketh Actor Julian Rhind-Tutt Anthony 'Bubbles' Horsley Actor Alistair Petrie Stirling Moss Actor Colin Stinton Teddy Mayer Actor Jamie de Courcey Harvey 'Doc' Postlethwaite Actor Augusto Dall'Ara Enzo Ferrari Actor Ilario Calvo Luca Cordero di Montezemolo Actor Patrick Baladi John Hogan Actor Peter Morgan Screenwriter, Producer Andrew Eaton Producer Eric Fellner Producer Brian Oliver Producer Brian Grazer Producer Guy East Executive Producer Nigel Sinclair Executive Producer Tobin Armbrust Executive Producer Tim Bevan Executive Producer Tyler Thompson Executive Producer Todd Hallowell Executive Producer Anthony Dod Mantle Cinematographer Dan Hanley Film Editing Mike Hill Film Editing Hans Zimmer Original Music Mark Digby Production Design Patrick Rolfe Supervising Art Direction Michelle Day Set Decoration Julian Day Costume Design Nina Gold Casting