a : something that is fashioned by casting in the mold or kind: which include (1) : a replica (as of a statue) in steel or plaster : casting (two) : a fossil reproduction of the details of the natural object by mineral infiltration b : an effect taken from an object by using a liquid or plastic compound : mold They manufactured a mask from the wax cast of her encounter.
from the depression scrap and junk imply throwing away or breaking up as worthless in existent sort.
supporting cast Part of the movie's achievement lies here during the energy of the supporting cast (= the actors who weren't taking part in the most crucial areas).