“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.
Noel Madison , James Stephenson , Lesley Brook , Wilfrid Lawson , Renee Gadd , Philip Ray , Wally Patch , J. Fisher White , Dino Galvani
Warner Brothers-First National Productions
