after a long run in the west end this charming film re cast margaret rutherford a the headmistress miss whitchurch in this financially successful adaptation make in 1950. all interior shot take place at riverside studio in hammersmith and london . the exterior scene be film on location at a public girl school near liss in hampshire . during the 12 week shoot both margaret rutherford and joyce grenfell be stay in a hotel nearby and would often visit the school during the evening where they would happily enjoy the company of the real school mistress . although the film script contain only two original line from the original play the lead and support actor be in fine form and you can only feel sympathetic for their predicament especially in the final scene .