The letter, addressed to NI Secretary Sir Chris Bryant, calls on an international mediator to be appointed to find a resolution to the parade dispute.

The show features appearances from Ted Lasso's Hannah Waddingham and X-Men's James McAvoy.

She starred opposite Marlon Brando in On the Waterfront, then alongside Cary Grant in Hitchcock's North by Northwest.

McGovern says officers are lazy after visiting youth offenders' institutions for new series of BBC drama.