Wartime propaganda piece reporting on the success of the economic blockade of Germany in the early years of the war.

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Main Cast: Leslie Banks, Michael Redgrave, Will Hay, John Mills, Bernard Miles, Michael Rennie, Frank Cellier, Robert Morley, Alfred Drayton, Marius Goring

Director: Charles Frend

Writer: Angus MacPhail

Editors: Charles Crichton, Compton Bennett

Cinematographers: Wilkie Cooper, Douglas Slocombe

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