Unsung Maestros: A Directors Tribute
The titular directors discussed are: Hugh Harman and Rudolf Ising (1930-1933), Jack King (1934-1936), Ub Iwerks (1937), Ben Hardaway (1934-1940), Norm McCabe (1940-1943), and Art Davis (1945-1949)
Genres: Documentary
IMDB: tt4636010