Guest Stars Belinda Lang as Mrs Clam Sarah Crowden as Miss Thimble David Sterne as Tom Thomas Virginia Fiol as Sister Reginald Robert Daws as CC Lowsley Tina Chiang as Sister Peter Carolyn Pickles as Reverend Mother Adrian Geoffrey McGivern as Malise Bonham-Crane Maggie Steed as Vivienne Bonham-Crane Alec Newman as Stanley Fawcett Siobhan Redmond as Miss Fitz D'Arcy Margaret Clunie as Abigail Usher Rupert Vansittart as Sir Swinton Usher Marc Silk as Newsreader Timothy West as Charles Usher Mark Edel-Hunt as Ranulph Usher Hedydd Dylan as Jean Smythe Stephen Rahman-Hughes as Harinder Ray Eric Colvin as Mr Henry Medwick Bethany Milner as Carol Cooper Moses Alexander as Nick Foster