“Professor Calthrop, actuated only by scientific motives, and his assistant, out for his own gain, have invented a system for the manufacture of diamonds.” - BFI.
Cast:
Noel Madison, James Stephenson, Lesley Brook, Wilfrid Lawson, George Galleon
Production:
Warner Brothers-First National Productions
Joseph
Ben
Helen Calthrop
Gallanie
Tony
Marianne
Tompkins
Nichols
Alf Higgins
Prof. Calthrop
