The Oscar-winning actor wants education campaigns to tell people how to recognise the constant involuntary movements that characterise the degenerative neurological condition, which 120,000 Britons have.
Speaking exclusively to the Guardian during trip to the UK, Mirren talked for the first time about how a close friend's 10-year struggle with Parkinson's had helped her realise the difficulties which sufferers face, including worsening physical disability, mental anguish and, for some, social stigma.
Mirren- who won the best actress Academy award in 2007 for her performance in The Queen- demanded an end to what the charity Parkinson's UK claims is the "disgrace" of a UK postcode lottery in NHS support services for sufferers, such as access to specialist nurses and physiotherapy.
"I have sympathy for their campaign for equitable access, absolutely," she said. "It's terrible that one person living 15 miles away from another does not have access to something while the other person does. Read More: