Alastair Sim was always an excellent comedy actor - his timing and facial expressions always managed to raise a smile for me. Here is has the dual role of the headmistress "Millicent" and of her scheming bookmaker brother "Clarence" as both, in their own way, try to make a killing on an horse owned by the wealthy father of her newest pupil "Princess Fatima". The local village - and constabulary - live in terror of her establishment and of it's rowdy and lawless student body, so they decide to send the plucky and enthusiastic "Sgt. Gates" (Joyce Grenfell) in to masquerade as the games mistress a... read the rest.