Famous as a soap villain in Emmerdale and Corrie , Jonathan Wrather says the most difficult role of his life was supporting his dad through his six-year battle with motor neurone disease . “MND is a cruel disease,” Jonathan, 56, tells The Mirror . “It causes muscle wasting and affects the nerves in the brain and spinal cord. “It wastes away everything - even the muscles you don’t see, like those you use to breathe and speak.” As former England rugby union captain and 2003 World Cup winner,