Chris Hemsworth as James Hunt

Daniel Brühl as Niki Lauda

Olivia Wilde as Suzy Miller

Alexandra Maria Lara as Marlene Lauda

Pierfrancesco Favino as Clay Regazzoni

David Calder as Louis Stanley

Natalie Dormer as Nurse Gemma

Stephen Mangan as Alastair Caldwell

Christian McKay as Lord Hesketh

Alistair Petrie as Stirling Moss

Colin Stinton as Teddy Mayer

Julian Rhind-Tutt as Anthony 'Bubbles' Horsley

Jamie de Courcey as Harvey 'Doc' Postlethwaite

Augusto Dall'Ara as Enzo Ferrari

Ilario Calvo as Luca Di Montezemolo

Patrick Baladi as John Hogan

Vincent Riotta as Lauda's Mechanic

Martin Savage as McLaren Mechanic

Jamie Sives as BRM Mechanic

Simon Taylor as English Race Announcer

Rob Austin as Brett Lunger

Tom Wlaschiha as Harold Ertl

Cristian Solimeno as Arturo Merzario

James Norton as Guy Edwards

Joséphine de la Baume as Agnes Bonnet

Geoffrey Streatfeild as Peter Hunt

Julien Vialon as Peter Metternich

Douglas Reith as Awards Presenter

Polly Furnival as Hunt's Awards Girlfriend

Brooke Johnston as Pan Am Stewardess

Hannah Britland as BOAC Stewardess

Lisa McAllister as BOAC Stewardess

Hans-Eckart Eckhardt as Lauda's Grandfather

Vanessa Zachos as Female Hunt Fan

Xavier Laurent as Test Driver

Val Jobara as Test Driver

Zack Eisaku Niizato as Hasemi

Akira Koieyama as Takahara

Klaus D. Mund as Niki's German Doctor

Folker Banik as German Doctor

Andreas Engelmann as German Priest

Christopher Wolert as German Fan

Jochen Kolenda as German GP Marshall

Roger Nevares as Spanish Official

Vanda Dadras as Guest of Curd Jürgens

Raffaello Degruttola as Giovanni

Luca Zizzari as Italian Passenger

Alastair Caldwell as FIA Official

Alan Bayer as French Photographer

Joe Ferrara as Brazilian Commentator

Bob Constanduros as Crystal Palace Race Announcer

Christian Feist as German Race Announcer

Marco Canadea as Italian Race Announcer

Eiji Mihara as Japanese Announcer

Demetri Goritsas as American Journalist

Jay Simpson as British Journalist

Philippe Spall as French Journalist

Erich Redman as German Journalist

Marcello Walton as Italian Journalist

Masashi Fujimoto as Japanese Journalist

Roberto Cavazos as Spanish Journalist

Paulo Barone as Ferrari Mechanic

Francesco Fronte as Ferrari Mechanic

Morris Morrison as Ferrari Mechanic

Luca Naddeo as Ferrari Mechanic

Marco Napoli as Ferrari Mechanic

Cristian Stelluti as Ferrari Mechanic

Scott Hopkins as McLaren Mechanic

Matthew Watkinson as McLaren Mechanic

Anthony Wolfe as McLaren Mechanic

Jeremy Wolfe as McLaren Mechanic

Mark Postgate as McLaren Mechanic

Eddie Bagayawa as Press Cameraman (uncredited)

Lee Nicholas Harris as Paramedic USA (uncredited)

Michael Vardian as German Press Officer (uncredited)

Niki Lauda as Self (archive footage) (uncredited)

Joanna Finata as Italian Spectator (uncredited)

Daniel Chapple as German Police Officer (uncredited)

James Hunt as Self (archive footage) (uncredited)

Shaz Lancaster as Celebrity Race Guest (uncredited)