In 1978, Sir William's younger brother, the naturalist Peter Gladstone, re-decorated Fasque, apparently whitewashing almost every wall surface himself, and opened it to the public for the first time in the September of that year, partly capitalising on the then-current popularity of the TV show Upstairs Downstairs.
From 26 to 28 December 2010, Mirallegro appeared in series 1 of BBC1 1930s period remake of Upstairs Downstairs.
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From Sunday 19 February to Sunday 25 March 2012, Mirallegro appeared again as Johnny Proude in Series 2 of BBC's remake of Upstairs Downstairs.
In 1976, the year after leaving Upstairs Downstairs, Hunt starred alongside Joanna Lumley and Patrick Macnee in The New Avengers.