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.
as Prof. Heatherville
as Prof. Laxton-Jones
as Dr. McVitie
as Dr. Dainty
as Mr. Watlington
as Sir Duncan Wills
as Dr. Wainwright
as Lt. Cmdr. Lowther
as Mrs. Watlington
as Mrs. Laxton-Jones
as Mrs. McVitie
as Mrs. Dainty
as Jack Arnold
as Squadron Leader Sowerby
as Group Capt. Aspinall
as Flight Sgt. Cox
as Warrant Officer
as Air Marshal Cotter
as Wives' Escort Officer
as Sqdn. Ldr. Slatter
as Sqdn. Ldr. Buckley
as Flt. Lt. Argylle
as Flt. Lt. Norton
as Flying Officer Davies
as Air Vice-Marshal
as Wing Cdr. Allen
as Flying Officer Ogden
as Daphne Adams
as Penelope Birkenshaw
as Phyllis Hammond
as WAAF Flight Sergeant
as WAAF Teller
as Major
as Captain
as Paratroop Sergeant (as Bill Rowbotham)
as 1st Commando
as 2nd Commando
as 3rd Commando
as 4th Commando
as 5th Commando
as 6th Commando
as Dr. Klemmerhahn
as Lt. Hense
as 1st Sentry
as 2nd Sentry
as Mrs. Arnold
as Sir Desmond Prosser
as Sir Nicholas Hathaway
as Old Retainer
as 1st Club Member
as 2nd Club Member
as 3rd Club Member
as BBC Announcer (voice)
as Bomb Aimer (uncredited)
as (uncredited)
as Man at Dance (uncredited)
