a : a thing that is shaped by casting inside a mould or kind: like (1) : a copy (as of the statue) in metal or plaster : casting (2) : a fossil replica of the details of the natural object by mineral infiltration b : an perception taken from an object with a liquid or plastic material : mould They produced a mask from the wax cast of her facial area.
: this site a mass of plastic subject fashioned in cavities of diseased organs (as the kidneys) and discharged from your body
supporting cast Element of the film's achievement lies during the power of the supporting cast (= the actors who weren't taking part in the most crucial areas).