The British High Command finds itself in the thick of a huge dilemma when it is realized that they have long been infiltrated by spies from a German intelligence group. This all happens during the preliminary stages of the Battle of Britain.
Captain Paul Stevens
Air Marshal George Taylor
Martin
Meg
Maj. Kreuger
Sgt. Donald Mulligan
Jacques
Gaston
Colonel Smith
Sheila
British general
German officer
Baker
Karl
English airman
English officer
Cameraman at Dunkirk
English officer
