A scientist discovers a death ray and locks it in a box, giving the key to his daughter, who soon finds herself hunted by criminals looking to steal...
British inventor Harry Grindell Matthews demonstrates what he claims to be a directed energy weapon which has the potential to revolutionise warfare...
A sci-fi/espionage film in which world powers vie for control of a death ray during World War I as an undercover countess infiltrates enemy ranks to...
David Phillips (Patrick Macnee) is running down the darkened streets of London's Limehouse district, pursued by two men with guns. He finds a public...