a : a thing that is fashioned by casting in a very mould or sort: for instance (one) : a copy (as of a statue) in metal or plaster : casting (2) : a fossil reproduction of the main points of the pure item by mineral infiltration b : an impact taken from an object having a liquid or plastic substance : mould They built a mask from the wax cast of her experience.

from the melancholy scrap and junk suggest throwing away or breaking apart as worthless in existent kind.

supporting cast Portion of the here movie's success lies inside the energy of your supporting cast (= the actors who were not enjoying the leading parts).