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 Sarah Crowden as Mrs Gribbins Phyllida Law as Bea Nelson-Stanley Beth Goddard as Sister Helena Doreen Mantle as Mrs Randall Audrey Ardington as The Abbess