Guest Stars Daniel Anthony as Clyde Langer Alexander Armstrong as Mr Smith Tommy Knight as Luke Smith Yasmin Paige as Maria Jackson Joseph Millson as Alan Jackson Juliet Cowan as Chrissie Jackson Phyllida Law as Bea Nelson-Stanley Sarah Crowden as Mrs Gribbins Beth Goddard as Sister Helena Doreen Mantle as Mrs Randall Audrey Ardington as The Abbess