An aristocratic widow discovers that her former lover, a medical officer in the British army, is secretly a German spy.
Mara Russell-Tavernan
Lady Irma Enderby
Ivan Craig
Maj. Seton
Valentine Dyall
Intelligence Director
Derek Aylward
Victor
Julian Sherrier
Tony
Lee Fox
Maj. Malcolm
Hamilton Keene
Col. Lorimer
Eddie Leslie
Capt. Blynne
Desmond Llewelyn
Policeman
