Leonard Kastle

​From Wikipedia, the free encyclopedia Leonard Gregory Kastle (11 February 1929 – May 18, 2011) was an opera composer, librettist, and director, though he is best known as the writer/director of The Honeymoon Killers, his only venture into the cinema, for which he did all his own research. He was educated at the Curtis Institute of Music studying under opera composer Gian Carlo Menotti and also t...