一名美国新闻记者和一名英国昆虫学家在一个神秘国家对细菌战研究进行间谍活动。
Margaret Lockwood
Frances Gray
Dane Clark
Bill Casey
Marius Goring
Commandant Anton Razinski
Naunton Wayne
Mr. Hedgerley
Wilfrid Hyde-White
Mr. Luke
Eugene Deckers
Alf
Olaf Pooley
Detective-Interrogator
Gladys Henson
Attendant
Paul Hardtmuth
Priest
Michael Hordern
Lab Director Owens
George Benson
Sandwich Stand Customer
Eric Pohlmann
Joe - the bartender
John Horsley
Customs Officer
Patric Doonan
Customs Man
