Guest Stars Tony Robinson as Roger Smith Ron Donachie as Police Doctor Marcia Warren as Annie Smith Debbie Arnold as Mrs. Bingham John Boswall as Professor Humber Hywel Bennett as Harold Bingham Charles Pemberton as Police Constable Louise Beattie as Amanda Dora Bryan as Mrs. Mim Judi Spiers as Television Presenter Neale McGrath as Shop-Keeper Richard Coleman as Chief Inspector Trusscott Beverley Walding as Receptionist
