Blake of Scotland Yard
VoltarElenco
Hayden StevensonAngus Blake
Grace CunardQueen of Diamonds
Gloria GreyLady Diane Blanton
Herbert PriorLord Blanton
Monte MontagueJarvis
Wilbur MackAlbert Drexel
Al HartThe Spider (as Albert Hart)
Walter BrennanHenchman (sem créditos)
George BurtonHenchman (sem créditos)