A secret society kidnaps a man to force his sister to steal plans.
Wyndham Standing
Dick Sands
Mary Odette
Mouse
Rex Davis
Justin O'Reilly
Marguerite Marsh
Olga Beverley
Carl Tobi
Stephen
Greta Lobo-Braakensiek
Moordenares
Willem van der Veer
Roy Travers
Cor Smits
