Screenplay: Gerald Elliott

Direction Jack Raymond

Cast Noah Beery · Jack Hawkins · Richard Ainley · Vivian Gaye

Plot Police Captain Gordon and Sergeant Elk set out to put an end to the activities of a criminal mastermind who calls himself The Frog. They encounter blackmail, murder, arson and...

Direction Maurice Elvey

Cast Gordon Harker · Hartley Power · René Ray · Cyril Smith

Plot The former partner of a master criminal turns himself in to Scotland Yard. The criminal, a master of disguise, plots to kill his partner, but must first get through the...

Direction Eugene Forde

Cast Gordon Harker · Alastair Sim · Miki Hood · Wally Patch

Plot Inspector Hornleigh and his assistant Sergeant Bingham are called in to investigate a murder that involves the theft of government secrets.

Direction John Paddy Carstairs

Cast David Langton · Julien Mitchell · Ruby Miller · Brian Buchel

Direction Maurice Elvey

Cast Leslie Banks · Mackenzie Ward · Kay Walsh · Simon Lack