Desc: Are You Having a Laugh? TV and Disability: Directed by Mark Allen, Mark Murray. With David Walliams, Mark Allen, Ash Atalla, Tina Baker. A hilarious look at how disability has been shown on British TV over the last 40 years with David Walliams, Steven Merchant, Ben Miller, Dom Joly and many more with their favourite characters from 'Ironside' to 'Andy and Lou'.