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