
Wartime tale of a group of British scientists efforts to develop the first radar system. They did it just in time for it to be used in the Battle of Britain against the might of the Nazi Luftwaffe. Without it the little island could well have been overrun.
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Cast

Ralph Richardson
Prof. Heatherville

Raymond Huntley
Prof. Laxton-Jones

John Laurie
Dr. McVitie
Ernest Jay
Dr. Dainty

David Tomlinson
Mr. Watlington

Finlay Currie
Sir Duncan Wills
Norman Webb
Dr. Wainwright

Michael Hordern
Lt. Cmdr. Lowther

Pamela Matthews
Mrs. Watlington
Joan Haythorne
Mrs. Laxton-Jones

Joan Young
Mrs. McVitie
Ann Wilton
Mrs. Dainty
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