
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)Richard Attenborough (Jack Arnold)David Hutcheson (Squadron Leader Sowerby)Patrick Waddington (Group Capt. Aspinall)Cyril Smith (Flight Sgt. Cox)James Hayter (Warrant Officer)D. Bradley Smith (Air Marshal Cotter)
Director
Peter Ustinov
Synopsis
During World War II, on the eve of the Battle of Britain, British scientists develop the first radar systems to be employed against the German Luftwaffe.