John Loder and Elliot Makeham star in Redd Davis’s British topical crime thriller. Professor Grayson is working on an anti-gas experiment and Dr. Klee, whose quiet advertising covers other welfares, means to find it.
as Capt. Rufus Grant
as Dr. Klee
as Nora Grayson
as Herlaine Frank
as Hugo Guppy
as Polly
as Professor Grayson
as Mr. Vander
as Pete Voss
as Colonel Lockwood
as Monsieur Buckner
