question_text: What actor, who passed away in 1942 was also the producer of the stage version of the 1940 spy film which stars Boris Karloff and Margaret Lindsay?
decomposition: return the  1940 spy film which stars Boris Karloff and  Margaret Lindsay ;return the  stage version of #1 ;return the  producer of #2 ;return #3 that was  a actor who  passed away in  1942