A US newsman and a British entomologist spy on germ-warfare research in a mythical country.
Margaret Lockwood
as Frances Gray
Dane Clark
as Bill Casey
Marius Goring
as Commandant Anton Razinski
Naunton Wayne
as Mr. Hedgerley
Wilfrid Hyde-White
as Mr. Luke
Eugene Deckers
as Alf
Olaf Pooley
as Detective-Interrogator
Gladys Henson
as Attendant
Paul Hardtmuth
as Priest
Michael Hordern
as Lab Director Owens
George Benson
as Sandwich Stand Customer
Eric Pohlmann
as Joe - the bartender
