The Tragedy of Macbeth's Kathryn Hunter: 'The car crash wasn't an accident " it was a suicide attempt'
The award-winning stage actor gives one of the standout performances in Joel Coen's film and is about to star on the London stage in 'The Chairs'. But things might have turned out very differently, she tells Sarah Crompton, as she urges, 'If you are feeling suicidal, get help, get help, get help'