a : something that is formed by casting inside a mildew or form: for example (one) : a copy (as of the statue) in steel or plaster : casting (2) : a fossil reproduction of the details of a natural object by mineral infiltration b : an effect taken from an item that has a liquid or plastic material : mildew They created a mask from a wax cast of her face.
: a mass check here of plastic make a difference formed in cavities of diseased organs (given that the kidneys) and discharged from the human body
supporting cast A part of the movie's achievements lies within the power with the supporting cast (= the actors who were not taking part in the principle pieces).