Chris Hemsworth discusses the pressure to get the details right to play James Hunt in Ron Howard's 'Rush'
One of the problems with biopics that purport to cover the entire life of a famous or notable person is the aging issue. People change over time, sure, but how they age, how they look as kids, as young adults, as old people, is something you either have to address using make-up or other visual trickery or by casting different people to play the character at different stages in life. Both approaches have the appeal, and both also have major drawbacks. It's a decision every filmmaker doing a birth-to-death biopic has to address at some point.
That's only one reason that I prefer films like "Rush" that take an interesting moment or a compelling story from someone's life story and tell that as a movie, so there is a finite period of time you're dealing with and the actor you hire can focus on building a real performance, not just juggling wigs and prosthetics. In "Rush," the story being told covers a short, intense period of time in which James Hunt (Chris Hemsworth) and rival Niki Lauda (Daniel Bruhl) battled for the F1 world champion title, and that story was what drew Peter Morgan in as a writer. I'm sure they could have made a movie about either man and then just played this out as part of that larger story, but why? By keeping the focus fairly tight, "Rush" really tells you everything you need to know about either of the men. There's no way a film that addressed more of their lives chronologically could pay off in the same ways "Rush" does by putting both characters under the microscope during this particular moment of their careers.