a : a thing that is fashioned by casting inside of a mould or sort: for instance (one) : a copy (as of a statue) in metal or plaster : casting (2) : a fossil replica 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 designed a mask from the wax cast of her experience.
: a mass of plastic subject shaped in cavities of diseased organs (because the kidneys) and discharged from the human body
supporting cast Component of the movie's achievement lies while in the toughness of the supporting cast (= the this site actors who were not actively playing the most crucial components).