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