A US newsman and a British entomologist spy on germ-warfare research in a mythical country.
Length 90 minutes
Margaret Lockwood | Dane Clark | Marius Goring | Naunton Wayne | Wilfrid Hyde-White | Eugene Deckers | Olaf Pooley | Gladys Henson | Paul Hardtmuth | Michael Hordern | George Benson | Eric Pohlmann | John Horsley | Patric Doonan | Joan Haythorne | Jill Balcon | Hyma Beckley | John Boxer | Ernest Butcher | Daniel Brown | Robert Cawdron | Anton Diffring | Toni Frost | John Gabriel | Charles Hammon | Philo Hauser | John G. Heller | Noel Johnson | Sam Kydd | Richard Marner | Louis Matto | Anthony Newley | Michael Ritterman | Lance Secretan | Dinah Sheridan | Ewen Solon | Emile Stemmler | Robert Vossler | John Wilder | Billy Wilmot