How green was my valley: As huw morgan is about to leave home forever, he reminisces about the golden days of his youth when south wales still prospered, when coal dust had not yet blackened the valley. How Green Was My Valley Maureen Ohara Movies Best Cinematography With walter pidgeon, maureen o'hara, anna lee, donald crisp. How green was my valley book film . Llewellyn claimed that the novel was based on his personal experiences as a young man, but this was later found to be untrue. How green was my valley is a realistic historical novel by the english writer richard llewellyn. How green was my valley (1941) cast and crew credits, including actors, actresses, directors, writers and more. Complete summary of richard dafydd (or david) lloyd v's how green was my valley. The movie, based on the 1939 richard llewellyn novel of the same name, was produced by darryl f. He remembers back to his growing up period, when the dust from the coal mines, which were then new t...