A seductive and ruthless spy in the service of Germany steals state secrets- including the formula for poison gas-from England and France during World War I. British intelligence, in turn, tries to hunt her down.
Suzy Kendall
as Fräulein Doktor
Kenneth More
as Colonel Foreman
Nigel Green
as Colonel Mathesius
Alexander Knox
as General Peronne
Olivera Katarina
as Marchioness de Haro
Capucine
as Dr. Saforet
James Booth
as Meyer
Andreina Paul
as Dona Elena de Rivas
Silvia Monti
as Margarita
Virginia Bell
as Dona Julia
Giancarlo Giannini
as Hans Ruppert
Mario Novelli
as Sgt. Otto Latemar
