Downton Abbey star Penelope Wilton (Isobel Crawley) and Nicholas Le Prevost (Shakespeare in Love and a regular of Masterpiece productions including Foyle’s War and Inspector Morse) perform a comic scene as Delia and Ernest, respectively, in Alan Ayckbourn’s Bedroom Farce. Cold feet and fish-and-chips are among the topics of their bedroom banter. The play premiered at the Nat