HIGHLY DANGEROUS:

Frances Gray (Margaret Lockwood), an entomologist, is sent to a tightly controlled Eastern European country by the British authorities as a spy to find out about a dangerous scientific experiment involving the breeding of insects for use in bacteriological warfare. Helped by an American journalist, Bill (Dane Clark), she hatches a crazy plan and manages to enter the tightly guarded laboratories and escape with the evidence.               

CAST:

Margaret Lockwood ... Frances Gray
Dane Clark ... Bill Casey
Marius Goring ... Commandant Anton Razinski
Naunton Wayne ... Mr. Hedgerley
Wilfrid Hyde-White ... Mr. Luke, British consul
Eugene Deckers ... Alf, the 'contact'
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
Joan Haythorne ... Judy
Patric Doonan ... Customs Man
Anthony Newley ... Operator