One of the most influential british police films of all time. Jack hawkins stars as d.s. Halliday, facing the most baffling case of his career. The true inside story of scotland yard’s crime busters. One of the most influential british police films of all time, ealing studio’s the long arm stars jack hawkins as d.s. Halliday of the cid, who is faced with the most baffling case of his career. With its realistic london locations, gritty action and powerful characterisation, the long arm was undoubtedly and inspiration for such later tv shows as softly softly and z cars.  ‘excellent… jack hawkins is in towering form. ’ – tv times film and video guide.   no. Discs 1 dvd cert u running time   1 hr 33