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.
Directed byPeter Ustinov
Written byPeter Ustinov
CountryUK
Runtime72 min
On screen
Ralph Richardson
Raymond Huntley
John Laurie
Ernest Jay