Formula 1 film Rush centres on the rivalry between 1970s racers Niki Lauda (Daniel Bruhl) and James Hunt (Chris Hemsworth).

© WENN / Eva Napp

© Rex Features / Everett Collection
Hamilton has been helping as a consultant for the film, and Howard has stated that he has enjoyed working with him.
"Lewis is great. The most impressive thing about him is that he came from a humble background and climbed to the top of his game," he told The Sun.
"I had a long chat with him while starting work on the film, he was basically a consultant. I don't know if he would go for it. There should be a role for him, if he wanted it."
Rush also stars Olivia Wilde as supermodel Suzy Miller in the project, while Russell Crowe has also been tipped to appear.
Ron Howard's plans to film on a disused airfield were recently opposed by Natural England.
The director was given the 'Empire Inspiration' award for his contribution to film at the Jameson Empire Awards on Sunday (March 25).
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