Movie
Sir James Blake has retired from Scotland Yard so that he can assist his niece Hope and her friend Jerry in developing an apparatus they have invented. Sir James thinks that their invention has the potential to prevent wars, and plans to donate it to the League of Nations. But a gang of criminals led by the elusive "Scorpion" steals the device, and Blake and his associates must recover the invention and determine the identity of the "Scorpion".
Jerry Sheehan
Hope Mason
Doctor Marshall
Bobby Mason
Duchess
Julot
Chief Insp. Henderson
Mimi - Policewoman
The Hag / Baron Polinka
Daggett - the Butler (as Ted Lorch)
Pedro - Henchman
Peyton - Henchman
Count Basil Segaloff
Charles - the Footman
Nicky