While in London trying to nab several fugitives who stole a million dollars from a U.S. Treasury vault, American federal agent Dennison (Dennis O’Keefe) assists Scotland Yard Insp. McClaren (Philip…

When a nightclub singer is arrested for murder, his pregnant girlfriend moves into a boarding house for women, but the mother-to-be soon discovers that her new lodgings harbors a horrific…

A serial killer terrorizes London. Each victim is found with a telegram signed “The Marquis.” There seems to be no other common thread between the victims, and Scotland Yard is…