black dragon ( 1942 ) william nigh ~ bela lugosi and joan barclay and clayton moore just prior to the start of world war ii and dr. melcher ( bela lugosi ) and a world famous surgeon and be bring in by japan black dragon society a part of a secret plan . dr. melcher operate on six black dragon society operative and transform them into exact duplicate of 6 high rank american businessmen who be replace by these look alikes . with their operative in place and the black dragon society plan to sabotage the american war effort appear to be set but and the f. b. i. chief and an agent begin to piece together the clue that hopefully uncover this sinister plot and accord to the dvd sleeve synopsis . that synopsis give away the entire end while which and in this case and might be a good thing . black dragon be an incredible and wildly inconsistent muddle . a wise course of action would have be to stay with the tease supernatural angle . in early scene and mr. lugosi ( a monsieur colomb ) be effectively creepy . confuse joan barclay ( a alice saunders ) and future lone ranger clayton moore ( a dick martin ) and along with a cast of old stage and silent veteran do the best they can with a story that look a if filmmaker be make it up a they go along .